.btn-player{
    position:fixed;
    width:100%;
    height:10%;
    line-height: 60px;
    bottom:0px;
    right:0px;
    
    
    
    
    font-size:35px;
    
    z-index:100;
    transition: all 300ms ease;
}
.btn-player:hover{
   
}
@media only screen and (min-width:320px) and (max-width:768px){
    .btn-player{
        width:100%;
        height:18%;
        line-height: 50px;
		bottom:0px;
	}
}