remove new label

index.html

@@ -308,7 +308,7 @@
                     <div class="main-block">
                         <span class="block-title">新冠疫情</span>
                         <div class="block-grid-wrapper">
-                            <div class="block-grid new">
+                            <div class="block-grid">
                                 <a href="https://weixine.ustc.edu.cn/2020" target="_blank">
                                     健康打卡
                                     <br><svg class="icon"><use xlink:href="image/symbol-defs.svg#icon-accessibility"></use></svg>