fix some button height style.

styles/components/setting.ts

@@ -82,8 +82,6 @@ const button = css`
   .admin-setting-content {
     .ui.primary.button {
       ${tinyStyle}
-      padding: 5px 16px;
-      line-height: 22px;
       box-shadow: none;
       &:hover {
         ${tinyHoverStyle}
@@ -97,10 +95,6 @@ const button = css`
         color: ${themeVars.github.button.primary.fgColor.rest};
       }
     }
-    .ui.red.button {
-      padding: 5px 16px;
-      line-height: 22px;
-    }
   }
 `;
 

styles/public/button.ts

@@ -155,9 +155,11 @@ const fixButton = css`
     z-index: 0;
   }
   /* 代码复制按钮 */
-  .ui.button.code-copy {
-    padding: 4px 6px;
+  .ui.icon.button.code-copy {
+    padding: 0;
     min-height: 28px;
+    height: 28px;
+    width: 28px;
   }
 `;