matery 公告模块调整

themes/matery/components/JumpToCommentButton.js

@@ -17,11 +17,10 @@ const JumpToCommentButton = () => {
     }
   }
 
-  return (<div
-        onClick={navToComment}
-        className='flex space-x-1 items-center justify-center cursor-pointer transform hover:scale-105 duration-200 w-7 h-7 text-center'>
-        <i className='fas fa-comments text-xl text-white bg-indigo-700 py-3 px-2 rounded-full' />
-    </div>)
+  return <div className={'justify-center items-center text-center'} onClick={navToComment}>
+        <i id="darkModeButton" className={`fas fa-comments transform hover:scale-105 duration-200 text-white
+         text-sm  bg-indigo-700 w-10 h-10 rounded-full dark:bg-black cursor-pointer py-3`} />
+    </div>
 }
 
 export default JumpToCommentButton