.installBtn{color:#fff;z-index:9999;background:linear-gradient(135deg,#472c4c,#601f68);border:none;border-radius:40px;padding:14px 28px;font-size:16px;font-weight:600;transition:all .3s;position:fixed;bottom:20px;left:50%;transform:translate(-50%);box-shadow:0 10px 25px #00000040}.installBtn:hover{transform:translate(-50%)scale(1.05)}