style: optimized code block font color setting

source/css/common/code-block/code-block.styl

@@ -98,6 +98,9 @@
       font-weight 600
       font-size 0.9rem
       font-family "Source Code Pro", consolas, Menlo
+      if (hexo-config('code_block.highlight_theme') == 'default') {
+        color var(--text-color-3)
+      }
     }
 
 
@@ -107,6 +110,9 @@
 
       i {
         font-size 0.8rem
+        if (hexo-config('code_block.highlight_theme') == 'default') {
+          color var(--text-color-3)
+        }
       }
     }
 

source/css/common/code-block/highlight.styl

@@ -98,6 +98,10 @@ pre {
     height 1.5rem
     color var(--highlight-foreground)
 
+    .language-javascript {
+      color var(--highlight-foreground)
+    }
+
     .attr {
       color var(--highlight-foreground)
     }