body{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}*,:after,:before{box-sizing:border-box}*,:after,:before,a,img{-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;user-drag:none}a,img{pointer-events:auto}::selection{background:transparent}::-moz-selection{background:transparent}*{-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}