:root{font-size:10px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box;list-style:none;text-decoration:none;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;font-family:Roboto,sans-serif;font-size:1.6rem}@mixin flexCenter{display: flex; justify-content: center; align-items: center;}html,body{height:100%;width:100%;min-height:100dvh;@include flexCenter;}