goods css update

@@ -101,7 +101,6 @@
         overflow: hidden;
         overflow: hidden;
         background-color: #000;
         background-color: #000;
         opacity: 0.4;
         opacity: 0.4;
-        z-index: 10;
         position: absolute;
         position: absolute;
         top: 0;
         top: 0;