improve

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-tetris",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "A Vue.js project",
   "author": "binaryify <zhuangtongfa@qq.com>",
   "private": true,

src/components/keyboard/button/index.less

@@ -12,6 +12,8 @@
     position: absolute;
     white-space: nowrap;
     line-height: 1.6;
+    -webkit-tap-highlight-color:rgba(0,0,0,0);
+
     &.s2 {
         font-size: 16px;
     }