按钮透明度

src/views/coursewarePlay/index.module.less

@@ -100,7 +100,7 @@
 .fullBtn {
   width: 38px;
   height: 55px;
-  background: rgba(51, 51, 51, 0.15);
+  background: rgba(51, 51, 51, 0.4);
   border-radius: 8px;
   display: flex;
   flex-direction: column;