html, body {margin:0;padding:0;-ms-overflow-style:none;scrollbar-width:none;-ms-overflow-style:none;}
html::-webkit-scrollbar, body::-webkit-scrollbar {display:none;}
body, h1, h2, h3, h4, h5, h6 {font-family:Arial,Helvetica,sans-serif;}
a, a:hover {text-decoration:none;}
.nav {position:fixed;bottom:0;left:0;right:0;margin:0 auto;background-color:#fff;width:100%;height:65px;z-index:100;box-shadow: 0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12);}
.nav .list {position:relative;display:flex;justify-content:center;align-items:center;height:100%;font-size:1.5em;}
.w3-quarter {width:24.99999%!important;}
.w3-third {width:33.33333%!important;}
#gotop {position:fixed;bottom:1.5%;right:15px;font-size:2.0em;color:#555;}