body{-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-khtml-user-select:none;background-color:#000}body:not(.full-screen){@media (width>=768px){&{max-width:768px;margin:0 auto}}}#modal{max-width:768px;margin:0 auto}