.pulse-button{color:#fff;cursor:pointer;background:#1a1a1a;border:1px solid #333;border-radius:8px;margin-left:20px;padding:8px 16px;font-size:18px;font-weight:600;transition:all .3s;position:relative;overflow:hidden}.pulse-button:before{content:"";z-index:1;background:radial-gradient(circle,#0f89 0%,#0000 70%);border-radius:50%;width:0;height:0;transition:all .6s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.pulse-button span{z-index:2;position:relative}.pulse-button:hover:before{width:300px;height:300px;animation:1.5s infinite pulse}.pulse-button:hover{border-color:#0f8;transform:translateY(-2px);box-shadow:0 0 20px #00ff8880}@keyframes pulse{0%,to{opacity:.6;transform:translate(-50%,-50%)scale(1)}50%{opacity:.3;transform:translate(-50%,-50%)scale(1.2)}}