fixed定位栏间距调整

@@ -13,7 +13,7 @@ $pxConvertRem : 40;
 
     .thumb-container {
         font-size: 0;
-        padding: 20rem / $pxConvertRem 0 0 30rem / $pxConvertRem;
+        padding: 20rem / $pxConvertRem 0 0 20rem / $pxConvertRem;
         background: #fff;
         z-index: 10;
         border-bottom: 1px solid #b0b0b0;