body{padding:0;margin:0}#app{width:26%;margin:auto;margin-top:100px}@media screen and (max-width:900px){#app{width:50%}}@media screen and (max-width:719px){#app{width:80%}}@media screen and (max-width:560px){#app{width:90%}}#nav{border:1px solid;box-shadow:5px 10px brown;padding:20px}header{margin-top:-22px;background-color:brown;text-align:center;padding:10px}header h1{margin-top:36px;color:#fff}.player{margin:20px;display:flex;flex-direction:column;justify-content:center;align-items:center}.song-title{text-align:center}.control-btn{margin:auto 20px}.song{margin:10px auto;min-width:240px;width:80%;border:none;outline:none;background-color:brown;display:block;padding:14px;border-radius:10px}.playing,.song:hover{color:#fff}