.e-card{background:transparent;position:relative;overflow:hidden;border-radius:16px;z-index:1}.wave{position:absolute;width:540px;height:700px;opacity:.6;left:0;top:0;margin-left:-50%;margin-top:-70%;background:linear-gradient(744deg,#af40ff,#5b42f3 60%,#00ddeb);z-index:-1;border-radius:40%;animation:wave-animation 55s infinite linear}.wave:nth-child(2),.wave:nth-child(3){top:80px}.playing .wave{border-radius:40%;animation:wave-animation 3s infinite linear}.playing .wave:nth-child(2){animation-duration:4s}.playing .wave:nth-child(3){animation-duration:5s}.wave:nth-child(2){animation-duration:50s}.wave:nth-child(3){animation-duration:45s}@keyframes wave-animation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}