site: update edit button style

site/theme/static/demo.less

@@ -53,9 +53,12 @@
 .code-box:target .code-box-title {
   background: #fbfbfb;
   box-shadow: 0 -1.2px 0 #e9e9e9;
+  margin-left: -16px;
+  padding-left: 16px;
 
   .edit-button {
     display: inline-block;
+    margin-right: 8px;
   }
 }
 
@@ -107,26 +110,13 @@ section.code-box-meta p {
 .code-box-title {
   position: absolute;
   top: -14px;
-  padding: 1px 1.1em;
+  padding: 1px 4px;
+  margin-left: -4px;
   color: #777;
   border-radius: 6px;
+  border-top-left-radius: 0;
   background: #fff;
-  transition: all 0.4s ease;
-}
-
-.code-box-title:before {
-  font-family: anticon;
-  content: "\e658";
-  font-size: 16px;
-  vertical-align: middle;
-  line-height: 22px;
-  position: relative;
-  margin-right: 8px;
-  top: -2px;
-  color: #ccc;
-  -webkit-transform: rotate(-45deg);
-  transform: rotate(-45deg);
-  display: inline-block;
+  transition: background-color 0.4s ease;
 }
 
 .code-box-meta > p {

site/theme/static/markdown.less

@@ -169,12 +169,20 @@
   cursor: not-allowed;
 }
 
-.markdown .edit-button {
+.markdown a.edit-button {
   line-height: 12px;
   display: inline-block;
   margin-left: 10px;
   height: 12px;
-  color: inherit;
+
+  i {
+    color: #999;
+
+    &:hover {
+      color: #2db7f5;
+    }
+  }
+
   .anticon {
     display: block;
     font-size: 14px;