网址:https://www.cnblogs.com/xiayu25/p/6832748.html
* {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
-webkit-tap-highlight-color: transparent;
outline: none;
}
*:not(input,textarea) {
-webkit-touch-callout: none;
-webkit-user-select: none;
}