bug125

pages/produce/execute/execute.less

@@ -89,11 +89,12 @@
         }
         .img_box {
             text-align: center;
+            margin: auto;
             line-height: 350px;
             font-size: 32px;
             width: 750px;
             height: 350px;
-            background: #ddd;
+            // background: #ddd;
             margin: 10px 0 0 170px;
         }
     }