.wifi{width:22px;height:18px;position:relative}.wifi .arc{opacity:0;border:2px solid transparent;border-top-color:#000;border-radius:50%;animation:2s infinite wifiPulse;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.wifi .arc-1{width:30px;height:30px;animation-delay:0s}.wifi .arc-2{width:40px;height:40px;animation-delay:.3s}.wifi .arc-3{width:50px;height:50px;animation-delay:.6s}.wifi .dot{background:#000;border-radius:50%;width:4px;height:4px;position:absolute;bottom:-1px;left:50%;transform:translate(-50%)}@keyframes wifiPulse{0%{opacity:0}40%{opacity:.6}70%{opacity:1}to{opacity:0}}@media (max-width:640px){.wifi .arc-1{width:15px;height:15px}.wifi .arc-2{width:20px;height:20px}.wifi .arc-3{width:25px;height:25px}}