下载按钮滑动问题

src/components/course/download-button.vue

@@ -52,6 +52,7 @@ export default {
     font-weight: 700;
     color: #5ba99b;
     background: #fff;
+    box-shadow:0px 2px 10px 0px rgba(0,0,0,0.1);    
     width: 120px;
     &.short {
       width: 10px;