*{-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-webkit-tap-highlight-color:rgba(0,0,0,0);user-select:none;box-sizing:border-box;transition:background .3s,color .3s,border-color .3s,fill .3s}body{margin:0}