diff --git a/.electron-vue/webpack.renderer.config.js b/.electron-vue/webpack.renderer.config.js
index ecd45a27..8d6384f4 100644
--- a/.electron-vue/webpack.renderer.config.js
+++ b/.electron-vue/webpack.renderer.config.js
@@ -8,6 +8,7 @@ const CopyWebpackPlugin = require('copy-webpack-plugin')
 const MiniCssExtractPlugin = require("mini-css-extract-plugin")
 const HtmlWebpackPlugin = require('html-webpack-plugin')
 const VueLoaderPlugin = require('vue-loader/lib/plugin')
+const postcssPresetEnv = require('postcss-preset-env')
 
 const { dependencies } = require('../package.json')
 const proMode = process.env.NODE_ENV === 'production'
@@ -46,7 +47,15 @@ const rendererConfig = {
         test: /\.css$/,
         use: [
           proMode ? MiniCssExtractPlugin.loader : 'style-loader',
-          "css-loader"
+          { loader: 'css-loader', options: { importLoader: 1 } },
+          { loader: 'postcss-loader', options: {
+            ident: 'postcss',
+            plugins: () => [
+              postcssPresetEnv({
+                stage: 0
+              })
+            ]
+          } }
         ]
       },
       {
diff --git a/.electron-vue/webpack.web.config.js b/.electron-vue/webpack.web.config.js
index e10f481c..b39d1231 100644
--- a/.electron-vue/webpack.web.config.js
+++ b/.electron-vue/webpack.web.config.js
@@ -9,6 +9,7 @@ const CopyWebpackPlugin = require('copy-webpack-plugin')
 const MiniCssExtractPlugin = require("mini-css-extract-plugin")
 const HtmlWebpackPlugin = require('html-webpack-plugin')
 const VueLoaderPlugin = require('vue-loader/lib/plugin')
+const postcssPresetEnv = require('postcss-preset-env')
 
 const proMode = process.env.NODE_ENV === 'production'
 
@@ -35,7 +36,17 @@ const webConfig = {
         test: /\.css$/,
         use: [
           proMode ? MiniCssExtractPlugin.loader : 'style-loader',
-          "css-loader"
+          { loader: 'css-loader', options: { importLoader: 1 } },
+          {
+            loader: 'postcss-loader', options: {
+              ident: 'postcss',
+              plugins: () => [
+                postcssPresetEnv({
+                  stage: 0
+                })
+              ]
+            }
+          }
         ]
       },
       {
diff --git a/package-lock.json b/package-lock.json
index 4dd8bd48..aade7473 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "marktext",
-  "version": "0.10.21",
+  "version": "0.11.42",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -186,6 +186,12 @@
         }
       }
     },
+    "@csstools/convert-colors": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/@csstools/convert-colors/-/convert-colors-1.4.0.tgz",
+      "integrity": "sha512-5a6wqoJV/xEdbRNKVo6I4hO3VjyDq//8q2f9I6PBAvMesJHFauXDorcNCsr9RzvsZnaWi5NYCcfyqP1QeFHFbw==",
+      "dev": true
+    },
     "@mrmlnc/readdir-enhanced": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz",
@@ -3690,6 +3696,29 @@
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
+    "cosmiconfig": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-2.2.2.tgz",
+      "integrity": "sha512-GiNXLwAFPYHy25XmTPpafYvn3CLAkJ8FLsscq78MQd1Kh0OU6Yzhn4eV2MVF4G9WEQZoWEGltatdR+ntGPMl5A==",
+      "dev": true,
+      "requires": {
+        "is-directory": "^0.3.1",
+        "js-yaml": "^3.4.3",
+        "minimist": "^1.2.0",
+        "object-assign": "^4.1.0",
+        "os-homedir": "^1.0.1",
+        "parse-json": "^2.2.0",
+        "require-from-string": "^1.1.0"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "dev": true
+        }
+      }
+    },
     "crc": {
       "version": "3.5.0",
       "resolved": "https://registry.npmjs.org/crc/-/crc-3.5.0.tgz",
@@ -3949,6 +3978,12 @@
       "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.0.tgz",
       "integrity": "sha1-lGfQMsOM+u+58teVASUwYvh/ob0="
     },
+    "cssdb": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/cssdb/-/cssdb-3.1.0.tgz",
+      "integrity": "sha512-9+ASPG9O+d876YfZJjStXszOGn3EEOp5scMeCwZb/+TwTZfadQFshz/Vsh1vGET9HzaXvsfV+1O0ShFb52DddA==",
+      "dev": true
+    },
     "cssesc": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-0.1.0.tgz",
@@ -9581,6 +9616,12 @@
         "kind-of": "^5.0.0"
       }
     },
+    "is-directory": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/is-directory/-/is-directory-0.3.1.tgz",
+      "integrity": "sha1-YTObbyR1/Hcv2cnYP1yFddwVSuE=",
+      "dev": true
+    },
     "is-dotfile": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/is-dotfile/-/is-dotfile-1.0.3.tgz",
@@ -10878,6 +10919,12 @@
       "integrity": "sha1-UgOte6Ql+uhCRg5pbbnPPmqsBXw=",
       "dev": true
     },
+    "lodash._reinterpolate": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz",
+      "integrity": "sha1-DM8tiRZq8Ds2Y8eWU4t1rG4RTZ0=",
+      "dev": true
+    },
     "lodash.camelcase": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz",
@@ -11019,6 +11066,25 @@
       "resolved": "https://registry.npmjs.org/lodash.sortby/-/lodash.sortby-4.7.0.tgz",
       "integrity": "sha1-7dFMgk4sycHgsKG0K7UhBRakJDg="
     },
+    "lodash.template": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/lodash.template/-/lodash.template-4.4.0.tgz",
+      "integrity": "sha1-5zoDhcg1VZF0bgILmWecaQ5o+6A=",
+      "dev": true,
+      "requires": {
+        "lodash._reinterpolate": "~3.0.0",
+        "lodash.templatesettings": "^4.0.0"
+      }
+    },
+    "lodash.templatesettings": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/lodash.templatesettings/-/lodash.templatesettings-4.1.0.tgz",
+      "integrity": "sha1-K01OlbpEDZFf8IvImeRVNmZxMxY=",
+      "dev": true,
+      "requires": {
+        "lodash._reinterpolate": "~3.0.0"
+      }
+    },
     "lodash.toplainobject": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/lodash.toplainobject/-/lodash.toplainobject-3.0.0.tgz",
@@ -12914,6 +12980,61 @@
         }
       }
     },
+    "postcss-attribute-case-insensitive": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-attribute-case-insensitive/-/postcss-attribute-case-insensitive-3.0.0.tgz",
+      "integrity": "sha512-8pw/t/0dAsp7XKAXImSMXuTUGBUpdKN0aqCF563lMfky/KTPh1KC7s8VI8ZjNuBunTa482RkmfmeMTrIwjJuSg==",
+      "dev": true,
+      "requires": {
+        "postcss": "^6.0.22",
+        "postcss-selector-parser": "^4.0.0"
+      },
+      "dependencies": {
+        "cssesc": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-1.0.1.tgz",
+          "integrity": "sha512-S2hzrpWvE6G/rW7i7IxJfWBYn27QWfOIncUW++8Rbo1VB5zsJDSVPcnI+Q8z7rhxT6/yZeLOCja4cZnghJrNGA==",
+          "dev": true
+        },
+        "postcss": {
+          "version": "6.0.22",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
+          "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
+          }
+        },
+        "postcss-selector-parser": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-4.0.0.tgz",
+          "integrity": "sha512-5h+MvEjnzu1qy6MabjuoPatsGAjjDV9B24e7Cktjl+ClNtjVjmvAXjOFQr1u7RlWULKNGYaYVE4s+DIIQ4bOGA==",
+          "dev": true,
+          "requires": {
+            "cssesc": "^1.0.1",
+            "indexes-of": "^1.0.1",
+            "uniq": "^1.0.1"
+          }
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
     "postcss-calc": {
       "version": "5.3.1",
       "resolved": "https://registry.npmjs.org/postcss-calc/-/postcss-calc-5.3.1.tgz",
@@ -12925,6 +13046,180 @@
         "reduce-css-calc": "^1.2.6"
       }
     },
+    "postcss-color-functional-notation": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/postcss-color-functional-notation/-/postcss-color-functional-notation-1.0.1.tgz",
+      "integrity": "sha512-8ECwUd75SwcjLMzFdRVRBqjVoHwGeWpLQKCNIQo9T+QeCrUNKI1NJ6rgpni5vo7iZ7MZy21qKqUieMM3D0wHYQ==",
+      "dev": true,
+      "requires": {
+        "postcss": "^6.0.22",
+        "postcss-values-parser": "^1.5.0"
+      },
+      "dependencies": {
+        "postcss": {
+          "version": "6.0.22",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
+          "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
+          }
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "postcss-color-hex-alpha": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-color-hex-alpha/-/postcss-color-hex-alpha-3.0.0.tgz",
+      "integrity": "sha1-HlPmyKyyN5Vej9CLfs2xuLgwn5U=",
+      "dev": true,
+      "requires": {
+        "color": "^1.0.3",
+        "postcss": "^6.0.1",
+        "postcss-message-helpers": "^2.0.0"
+      },
+      "dependencies": {
+        "color": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/color/-/color-1.0.3.tgz",
+          "integrity": "sha1-5I6DLYXxTvaU+0aIEcLVz+cptV0=",
+          "dev": true,
+          "requires": {
+            "color-convert": "^1.8.2",
+            "color-string": "^1.4.0"
+          }
+        },
+        "color-string": {
+          "version": "1.5.2",
+          "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.5.2.tgz",
+          "integrity": "sha1-JuRYFLw8mny9Z1FkikFDRRSnc6k=",
+          "dev": true,
+          "requires": {
+            "color-name": "^1.0.0",
+            "simple-swizzle": "^0.2.2"
+          }
+        },
+        "postcss": {
+          "version": "6.0.22",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
+          "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
+          }
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "postcss-color-mod-function": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/postcss-color-mod-function/-/postcss-color-mod-function-2.4.2.tgz",
+      "integrity": "sha512-j9RM33ybsEJUvIc22Y5I4ucvSJVHMliiW0I34JDLV0gVdvCo7/Y+zW6QMBANj+M4VZJLmyGz2mafIK4Tb5GVyg==",
+      "dev": true,
+      "requires": {
+        "@csstools/convert-colors": "^1.4.0",
+        "postcss": "^6.0.19",
+        "postcss-values-parser": "^1.3.2"
+      },
+      "dependencies": {
+        "postcss": {
+          "version": "6.0.22",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
+          "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
+          }
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+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "postcss-color-rebeccapurple": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/postcss-color-rebeccapurple/-/postcss-color-rebeccapurple-3.1.0.tgz",
+      "integrity": "sha512-212hJUk9uSsbwO5ECqVjmh/iLsmiVL1xy9ce9TVf+X3cK/ZlUIlaMdoxje/YpsL9cmUH3I7io+/G2LyWx5rg1g==",
+      "dev": true,
+      "requires": {
+        "postcss": "^6.0.22",
+        "postcss-values-parser": "^1.5.0"
+      },
+      "dependencies": {
+        "postcss": {
+          "version": "6.0.22",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
+          "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
+          }
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
     "postcss-colormin": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/postcss-colormin/-/postcss-colormin-2.2.2.tgz",
@@ -12946,6 +13241,174 @@
         "postcss-value-parser": "^3.1.2"
       }
     },
+    "postcss-custom-media": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-custom-media/-/postcss-custom-media-6.0.0.tgz",
+      "integrity": "sha1-vlMnhBEOyylQRPtTlaGABushpzc=",
+      "dev": true,
+      "requires": {
+        "postcss": "^6.0.1"
+      },
+      "dependencies": {
+        "postcss": {
+          "version": "6.0.22",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
+          "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
+          }
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
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+          "integrity": "sha512-0zXQ6OqbnVaplQKkKTASxHFPMNy6WfrXS5QRDJ4zTDxEBB3r7NPDSK4h9KCyQi1tq0tX5MsN4RdzChVBn2k/aw==",
+          "dev": true,
+          "requires": {
+            "browserslist": "^3.2.8",
+            "caniuse-lite": "^1.0.30000846",
+            "normalize-range": "^0.1.2",
+            "num2fraction": "^1.2.2",
+            "postcss": "^6.0.22",
+            "postcss-value-parser": "^3.2.3"
+          }
+        },
+        "postcss": {
+          "version": "6.0.22",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
+          "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
+          }
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "postcss-pseudo-class-any-link": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-pseudo-class-any-link/-/postcss-pseudo-class-any-link-5.0.0.tgz",
+      "integrity": "sha512-rA5grdRhLLMMI654eOZVuKGr4fUBQNGSH0K+7j5839CiBA/IvNt/Ewt7aIrkGZPySKI3nqzs34HefO8U0Fxahg==",
+      "dev": true,
+      "requires": {
+        "postcss": "^6.0.22",
+        "postcss-selector-parser": "^4.0.0"
+      },
+      "dependencies": {
+        "cssesc": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-1.0.1.tgz",
+          "integrity": "sha512-S2hzrpWvE6G/rW7i7IxJfWBYn27QWfOIncUW++8Rbo1VB5zsJDSVPcnI+Q8z7rhxT6/yZeLOCja4cZnghJrNGA==",
+          "dev": true
+        },
+        "postcss": {
+          "version": "6.0.22",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
+          "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
+          }
+        },
+        "postcss-selector-parser": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-4.0.0.tgz",
+          "integrity": "sha512-5h+MvEjnzu1qy6MabjuoPatsGAjjDV9B24e7Cktjl+ClNtjVjmvAXjOFQr1u7RlWULKNGYaYVE4s+DIIQ4bOGA==",
+          "dev": true,
+          "requires": {
+            "cssesc": "^1.0.1",
+            "indexes-of": "^1.0.1",
+            "uniq": "^1.0.1"
+          }
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
     "postcss-reduce-idents": {
       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/postcss-reduce-idents/-/postcss-reduce-idents-2.4.0.tgz",
@@ -13389,6 +14623,131 @@
         "postcss-value-parser": "^3.0.1"
       }
     },
+    "postcss-replace-overflow-wrap": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-replace-overflow-wrap/-/postcss-replace-overflow-wrap-2.0.0.tgz",
+      "integrity": "sha1-eU22+qVPjbEAhUOSqTr0V2i04ls=",
+      "dev": true,
+      "requires": {
+        "postcss": "^6.0.1"
+      },
+      "dependencies": {
+        "postcss": {
+          "version": "6.0.22",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
+          "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
+          }
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "postcss-selector-matches": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/postcss-selector-matches/-/postcss-selector-matches-3.0.1.tgz",
+      "integrity": "sha1-5WNAEeE5UIgYYbvdWMLQER/8lqs=",
+      "dev": true,
+      "requires": {
+        "balanced-match": "^0.4.2",
+        "postcss": "^6.0.1"
+      },
+      "dependencies": {
+        "balanced-match": {
+          "version": "0.4.2",
+          "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-0.4.2.tgz",
+          "integrity": "sha1-yz8+PHMtwPAe5wtAPzAuYddwmDg=",
+          "dev": true
+        },
+        "postcss": {
+          "version": "6.0.22",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
+          "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
+          }
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "postcss-selector-not": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/postcss-selector-not/-/postcss-selector-not-3.0.1.tgz",
+      "integrity": "sha1-Lk2y8JZTNsAefOx9tsYN/3ZzNdk=",
+      "dev": true,
+      "requires": {
+        "balanced-match": "^0.4.2",
+        "postcss": "^6.0.1"
+      },
+      "dependencies": {
+        "balanced-match": {
+          "version": "0.4.2",
+          "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-0.4.2.tgz",
+          "integrity": "sha1-yz8+PHMtwPAe5wtAPzAuYddwmDg=",
+          "dev": true
+        },
+        "postcss": {
+          "version": "6.0.22",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
+          "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
+          }
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
     "postcss-selector-parser": {
       "version": "2.2.3",
       "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-2.2.3.tgz",
@@ -13429,6 +14788,17 @@
       "integrity": "sha1-h/OPnxj3dKSrTIojL1xc6IcqnRU=",
       "dev": true
     },
+    "postcss-values-parser": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/postcss-values-parser/-/postcss-values-parser-1.5.0.tgz",
+      "integrity": "sha512-3M3p+2gMp0AH3da530TlX8kiO1nxdTnc3C6vr8dMxRLIlh8UYkz0/wcwptSXjhtx2Fr0TySI7a+BHDQ8NL7LaQ==",
+      "dev": true,
+      "requires": {
+        "flatten": "^1.0.2",
+        "indexes-of": "^1.0.1",
+        "uniq": "^1.0.1"
+      }
+    },
     "postcss-zindex": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/postcss-zindex/-/postcss-zindex-2.2.0.tgz",
@@ -14314,6 +15684,12 @@
       "integrity": "sha1-jGStX9MNqxyXbiNE/+f3kqam30I=",
       "dev": true
     },
+    "require-from-string": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-1.2.1.tgz",
+      "integrity": "sha1-UpyczvJzgK3+yaL5ZbZJu+5jZBg=",
+      "dev": true
+    },
     "require-main-filename": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
@@ -14790,6 +16166,23 @@
       "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
       "dev": true
     },
+    "simple-swizzle": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz",
+      "integrity": "sha1-pNprY1/8zMoz9w0Xy5JZLeleVXo=",
+      "dev": true,
+      "requires": {
+        "is-arrayish": "^0.3.1"
+      },
+      "dependencies": {
+        "is-arrayish": {
+          "version": "0.3.1",
+          "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.1.tgz",
+          "integrity": "sha1-wt/DhquqDD4zxI2z/ocFnmkGXv0=",
+          "dev": true
+        }
+      }
+    },
     "single-line-log": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/single-line-log/-/single-line-log-1.1.2.tgz",
diff --git a/package.json b/package.json
index 09fa401c..26494a3f 100644
--- a/package.json
+++ b/package.json
@@ -170,6 +170,8 @@
     "mocha": "^3.0.2",
     "multispinner": "^0.2.1",
     "node-loader": "^0.6.0",
+    "postcss-loader": "^2.1.5",
+    "postcss-preset-env": "^5.1.0",
     "require-dir": "^1.0.0",
     "spectron": "^3.8.0",
     "style-loader": "^0.21.0",
diff --git a/src/editor/index.css b/src/editor/index.css
index 2110bda1..3eee2979 100644
--- a/src/editor/index.css
+++ b/src/editor/index.css
@@ -1,3 +1,19 @@
+:root {
+  --brandColor: #409EFF;
+  --successColor: #67C23A;
+  --warningColor: #E6A23C;
+  --dangerColor: #F56C6C;
+  --infoColor: #909399;
+  --primaryColor: #303133;
+  --regularColor: #606266;
+  --secondaryColor: #909399;
+  --placeholerColor: #C0C4CC;
+  --baseBorder: #DCDFE6;
+  --lightBorder: #E4E7ED;
+  --lighterBorder: #EBEEF5;
+  --extraLightBorder: #F2F6FC;
+}
+
 @keyframes highlight {
   from {
     transform: scale(1);
@@ -26,13 +42,13 @@
   top: 0;
   left: -25px;
   font-size: 14px;
-  color: #C0C4CC;
+  color: var(--secondaryColor);
   font-weight: 400;
   font-style: italic;
 }
 
 .ag-paragraph:empty::after,
-.ag-line:empty:after {
+.ag-line:empty::after {
   content: '\200B'
 }
 
@@ -56,8 +72,8 @@
 }
 
 *::selection, .ag-selection {
-  background: #E4E7ED;
-  color: #303133;
+  background: var(--baseBorder);
+  color: var(--primaryColor);
 }
 
 figure pre.ag-multiple-math,
@@ -93,18 +109,18 @@ div.ag-function-html.ag-active .ag-html-preview {
   animation-duration: .25s;
   display: inline-block;
   background: rgb(249, 226, 153);
-  color: #303133;
+  color: var(--primaryColor);
 }
 
 span.ag-html-tag {
-  color: silver;
+  color: var(--secondaryColor);
   font-weight: 200;
   font-family: monospace;
 }
 
 span.ag-math {
   position: relative;
-  color: purple;
+  color: rebeccapurple;
   font-family: monospace;
   display: inline-block;
   vertical-align: bottom;
@@ -114,10 +130,10 @@ span.ag-math {
   display: inline-block;
   padding: .5rem;
   background: #fff;
-  border: 1px solid #ebeef5;
+  border: 1px solid var(--lightBorder);
   border-radius: 4px;
   box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);
-  color: #333;
+  color: var(--primaryColor);
   position: absolute;
   top: 30px;
   left: 0;
@@ -125,7 +141,7 @@ span.ag-math {
 }
 
 div.ag-math-empty {
-  color: #999;
+  color: var(--regularColor);
   font-size: 14px;
   font-style: italic;
   font-family: monospace;
@@ -133,7 +149,7 @@ div.ag-math-empty {
 
 div.ag-math-error,
 span.ag-math > .ag-math-render.ag-math-error {
-  color: #e6a23c;
+  color: var(--warningColor);
   font-size: 14px;
   font-style: italic;
   font-family: monospace;
@@ -199,7 +215,7 @@ figure {
   margin-right: 3px;
   cursor: pointer;
   border-radius: 3px;
-  color: #606266;
+  color: var(--regularColor);
 }
 
 .ag-tool-bar ul li[data-label=delete] {
@@ -208,7 +224,7 @@ figure {
 }
 
 .ag-tool-bar ul li[data-label=delete] {
-  color: #E6A23C;
+  color: var(--dangerColor);
   right: 0;
 }
 
@@ -237,7 +253,7 @@ figure.ag-active[data-role=HTML]::before {
   top: 0;
   left: -45px;
   font-size: 12px;
-  color: #C0C4CC;
+  color: var(--secondaryColor);
   font-weight: 400;
   font-style: italic;
 }
@@ -277,7 +293,7 @@ li.ag-task-list-item > input[type=checkbox] {
 }
 
 li.ag-task-list-item > input.ag-checkbox-checked ~ p {
-  color: #909399;
+  color: var(--secondaryColor);
 }
 
 li.ag-task-list-item > input[type=checkbox]::before {
@@ -286,7 +302,7 @@ li.ag-task-list-item > input[type=checkbox]::before {
   height: 14px;
   box-sizing: border-box;
   display: inline-block;
-  border: 2px solid #606266;
+  border: 2px solid var(--infoColor);
   border-radius: 2px;
   background-color: #FFFFFF;
   position: absolute;
@@ -296,7 +312,7 @@ li.ag-task-list-item > input[type=checkbox]::before {
 
 li.ag-task-list-item > input.ag-checkbox-checked::before {
   border: none;
-  background-color: #606266;
+  background-color: var(--infoColor);
 }
 
 li.ag-task-list-item > input.ag-checkbox-checked::after {
@@ -351,12 +367,12 @@ pre.ag-front-matter {
 
 span.ag-front-matter-line:first-of-type:empty::after {
   content: 'Input YAML Front Matter...';
-  color: #999;
+  color: var(--placeholerColor);
 }
 
 span.ag-multiple-math-line:first-of-type:empty::after {
   content: 'Input Mathematical Formula...';
-  color: #999;
+  color: var(--placeholerColor);
 }
 
 figure,
@@ -395,7 +411,7 @@ pre.ag-active.ag-code-block::before,
 pre.ag-active.ag-code-block::after,
 pre.ag-active.ag-multiple-math::before,
 pre.ag-active.ag-multiple-math::after {
-  color: #909399;
+  color: var(--placeholerColor);
   font-family: monospace;
   position: absolute;
   left: 0;
@@ -432,7 +448,7 @@ figure.ag-active div.ag-math-preview {
   transform: translateX(-50%);
   padding: .5rem;
   background: #fff;
-  border: 1px solid #ebeef5;
+  border: 1px solid var(--lightBorder);
   border-radius: 4px;
   box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);
 }
@@ -442,10 +458,6 @@ div.ag-html-preview {
   width: 100%;
 }
 
-.ag-active > div.ag-html-preview {
-  background: #F2F6FC;
-}
-
 pre .CodeMirror {
   width: 100%;
 }
@@ -460,7 +472,7 @@ hr {
 
 span.ag-emoji-marked-text {
   position: relative;
-  color: aqua;
+  color: var(--regularColor);
   text-decoration: none;
 }
 
@@ -493,7 +505,7 @@ span.ag-emoji-marked-text {
   content: attr(data-character);
   top: 0;
   left: -.7rem;
-  color: #999;
+  color: var(--secondaryColor);
 }
 
 .ag-language-input {
@@ -501,19 +513,18 @@ span.ag-emoji-marked-text {
   display: none;
   min-width: 80px;
   position: absolute;
-  font-size: .85em;
   top: -20px;
   left: 30px;
   font-size: 14px;
   font-family: monospace;
-  color: #909399;
+  color: var(--secondaryColor);
   background: transparent;
   border: none;
   z-index: 10;
 }
 
 .ag-language-input::placeholder {
-  color: #C0C4CC;
+  color: var(--placeholerColor);
 }
 
 pre.ag-active .ag-language-input {
@@ -521,22 +532,23 @@ pre.ag-active .ag-language-input {
 }
 
 span.ag-image-marked-text, span.ag-link-in-bracket, span.ag-link-in-bracket .ag-backlash {
-  color: rgb(125, 125, 125);
+  color: var(--regularColor);
   font-size: 16px;
   text-decoration: none;
   font-family: monospace;
 }
 
 .ag-language {
-  color: #708;
+  color: var(--dangerColor);
   text-decoration: none;
+  font-family: monospace;
 }
 .ag-backlash {
   text-decoration: none;
   color: rgb(51, 51, 51);
 }
 span.ag-warn.ag-emoji-marked-text {
-  color: rgba(242, 134, 94, .7);
+  color: var(--warningColor);
   text-decoration: none;
 }
 
diff --git a/src/renderer/components/rename.vue b/src/renderer/components/rename.vue
index 04cb7ac6..d6eab83f 100644
--- a/src/renderer/components/rename.vue
+++ b/src/renderer/components/rename.vue
@@ -6,7 +6,6 @@
       :modal="true"
       custom-class="ag-dialog-table"
       width="410px"
-    
     >
       <div slot="title" class="search-wrapper">
         <div class="input-wrapper">
@@ -85,10 +84,10 @@
     box-shadow: 0 3px 8px rgba(0, 0, 0, .1);
     border: 1px solid #eeeeee;
     border-radius: 3px;
-  }
-  .input-wrapper {
-    display: flex;
-    width: 100%;
+    & .input-wrapper {
+      display: flex;
+      width: 100%;
+    }
   }
   .search {
     width: 100%;
diff --git a/static/themes/dark.css b/static/themes/dark.css
index 5a1d87a2..3d994d17 100755
--- a/static/themes/dark.css
+++ b/static/themes/dark.css
@@ -400,11 +400,15 @@ code {
 #ag-editor-id pre.ag-html-block {
   font-size: 90%;
   line-height: 1.6;
-  border: 1px solid #606266;
-  border-radius: 3px;
+  background: var(--primaryColor);
   color: #777777;
 }
 
-.fg-color-dark {
+#ag-editor-id pre.ag-code-block .cm-s-railscasts.CodeMirror,
+#ag-editor-id pre.ag-html-block .cm-s-railscasts.CodeMirror {
+  background: var(--primaryColor);
+}
+
+.ag-color-dark {
   color: #c6c6c6;
 }