[frontend] 优化对话设置按钮选中状态颜色

Author: 17CielYang

frontend/src/pages/chatPreview/styles/send-editor.scss

@@ -292,7 +292,8 @@
         }
 
         &.active {
-          background-color: #f0f4f9;
+          background-color: #e6ebf1;
+          border-color: rgba(51, 51, 51, 0.6);
         }
       }
 
@@ -304,7 +305,8 @@
         }
 
         &.active {
-          background-color: #f0f4f9;
+          background-color: #e6ebf1;
+          border-color: rgba(51, 51, 51, 0.6);
         }
       }