app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body,html{box-sizing:border-box;margin:0!important;padding:0!important}body::-webkit-scrollbar,html::-webkit-scrollbar{display:none}body,html{-ms-overflow-style:none;scrollbar-width:none}::-webkit-scrollbar{display:none}*{-ms-overflow-style:none;scrollbar-width:none}