* { margin: 0px; padding: 0px; box-sizing: border-box; } html { width: 100%; height: 100%; overflow: hidden; font-size: 1.2vh; } body { width: 100%; height: 100%; font-size: 1.2vh; position: fixed; left: 0; top: 0; } .main { width: 100%; height: 100%; margin: 0 auto; background-repeat: no-repeat; background-size: 100% 100%; position: relative; background-color: #f5f0e8; } .unfold { display: block; width: 87%; height: 82%; position: absolute; } .box { width: 6%; height: 10%; position: absolute; bottom: 6.5%; right: 14.5%; } .bfan { width: 9%; height: 13%; position: absolute; left: 14.1%; top: 33.6%; display: block; opacity: 0; } .sp { width: 100%; height: 100%; background-color: #000; display: none; position: absolute; left: 0%; top: 0%; } .v-close { width: 3%; height: 5%; position: absolute; top: 1%; left: 1%; }