.music-curtain{backdrop-filter:blur(10px);background:rgba(0,0,0,.95);display:flex;flex-direction:column;height:100vh;left:0;overflow:hidden;position:fixed;right:0;top:0;transform:translateY(-100%);transition:transform .6s cubic-bezier(.4,0,.2,1);z-index:9999}.music-curtain.active{transform:translateY(0)}#music-iframe{background:transparent;border:none;flex:1;height:100%;width:100%}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.music-curtain.active #music-iframe{animation:fadeIn .5s ease .3s both}