新人专享bug修改

@@ -62,17 +62,18 @@
         }
 
         .img-box {
-            height: 100%;
+            width: 100%;
             height:320rem / $pxConvertRem;
+            overflow: hidden;
             text-align: center;
             position: relative;
-            border: none;
 
             img {
                 width: 100%;
-                height: 100%;
+                height: 320rem / $pxConvertRem;
                 vertical-align: middle;
                 border: none;
+                outline: none;
             }
         }