修复qq浏览器下footer文字飘的问题

 .yoho-footer {
     font-size: 12px;
     background-color: #fff;
+    position: relative;
 
     .op-row {
-        position: relative;
         padding: 0 15px;
         height: 60px;
         line-height: 60px;
@@ -20,8 +20,8 @@
             margin-left: .3em;
             margin-right: 1em;
             max-width: 200rem / $pxConvertRem;
-            text-overflow:ellipsis; 
-            white-space:nowrap; 
+            text-overflow:ellipsis;
+            white-space:nowrap;
         }
 
         .back-to-top {
@@ -49,4 +49,4 @@
         bottom: 0;
     }
 
-}
\ No newline at end of file
+}