.icon {
    width: 20px;
    height: 20px;
}

.pos-rel {
    position: relative;
}

#container-play-music {
    position: absolute;
    top: 50px;
    left: 50px;
}

.icon-play-music {
    cursor: pointer;
}

#container-wave{  
position:relative;
left: 30;
}  

#container-wave span{  
width:5px;  
height: 5px;  
bottom:0px;
position:absolute;  
background:#333330;  
-webkit-animation: bodong 0.5s infinite  ease;  
}  

#container-wave span:first-child{  
left:0px;  
-webkit-animation-delay:.3s;  
}  

#container-wave span:nth-child(2){  
left:7px;  
-webkit-animation-delay:.4s;  

}  
#container-wave span:nth-child(3){  
left:14px;  
-webkit-animation-delay:.6s;  
}  
#container-wave span:nth-child(4){  
left:21px;  
-webkit-animation-delay:.8s;  
}  
#container-wave span:nth-child(5){  
left:28px;  
-webkit-animation-delay:1s;  
}  

@-webkit-keyframes bodong{  
0%{height:5px; background:bule;}  
30%{height:15px; background:bule;}  
60%{height:20px; background:bule;}  
80%{height:15px; background:bule;}  
100%{height:5px; background:bule;}  
}

.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}