fix: Fix style issue.

Author: jaywcjlove

src/components/CodeMirror/codemirror.less

@@ -1,10 +1,8 @@
 
-:global {
-  .CodeMirror {
-    font-family: 'source-code-pro', Menlo, 'Courier New', Consolas, monospace;
-    font-size: 14px;
-    z-index: 0;
-    border-radius: 5px;
-    background: transparent;
-  }
+.CodeMirror {
+  font-family: 'source-code-pro', Menlo, 'Courier New', Consolas, monospace;
+  font-size: 14px;
+  z-index: 0;
+  border-radius: 5px;
+  background: transparent;
 }

src/components/CodeMirror/index.less

@@ -1,53 +1,52 @@
-:global {
-  .hljs {
-    .comment {
-      color: #6a737d;
-    }
+
+.hljs {
+  .comment {
+    color: #6a737d;
+  }
+  .keyword {
+    color: #d73a49;
+  }
+  .attr {
+    color: #032f62;
+  }
+  .string {
+    color: #032f62;
+  }
+  .class {
     .keyword {
       color: #d73a49;
     }
-    .attr {
-      color: #032f62;
-    }
-    .string {
-      color: #032f62;
-    }
-    .class {
-      .keyword {
-        color: #d73a49;
-      }
-      .title {
-        color: #6f42c1;
-      }
-      .title {
-        color: #6f42c1;
-      }
+    .title {
+      color: #6f42c1;
     }
-    .tag {
-      .name {
-        color: #22863a;
-      }
-      .attr {
-        color: #6f42c1;
-      }
+    .title {
+      color: #6f42c1;
     }
   }
-
-  .hljs {
-    .selector-tag {
-      color: #22863a; 
+  .tag {
+    .name {
+      color: #22863a;
     }
-    .selector-class {
+    .attr {
       color: #6f42c1;
     }
-    .selector-pseudo {
-      font-weight: bold;
-    }
-    .attribute {
-      color: #005cc5;
-    }
-    .number {
-      color: #005cc5;
-    }
   }
 }
+
+.hljs {
+  .selector-tag {
+    color: #22863a; 
+  }
+  .selector-class {
+    color: #6f42c1;
+  }
+  .selector-pseudo {
+    font-weight: bold;
+  }
+  .attribute {
+    color: #005cc5;
+  }
+  .number {
+    color: #005cc5;
+  }
+}

src/components/PreviewMarkdown/hljs.less

@@ -1,26 +1,24 @@
 @editor-prefix:~"md-editor";
 
-:global {
-  .@{editor-prefix} {
-    &-preview {
-      width: 0%;
-      overflow: hidden;
-      border-left: 0;
-      position: absolute;
-      right: 0;
-      top: 0;
-      bottom: 0;
-    }
-    &-visble {
-      border-left: 1px solid #dfdfe0;
-      overflow: auto;
-      width: 50%;
-    }
-    &-markdown {
-      padding: 20px;
-      // @import "./default.less";
-      // @import "./hljs.less";
-      // @import "./css.less";
-    }
+.@{editor-prefix} {
+  &-preview {
+    width: 0%;
+    overflow: hidden;
+    border-left: 0;
+    position: absolute;
+    right: 0;
+    top: 0;
+    bottom: 0;
   }
-}
+  &-visble {
+    border-left: 1px solid #dfdfe0;
+    overflow: auto;
+    width: 50%;
+  }
+  &-markdown {
+    padding: 20px;
+    // @import "./default.less";
+    // @import "./hljs.less";
+    // @import "./css.less";
+  }
+}