body{
	text-align:center;
	padding:10%;
	background: #1b1b1b;
	font-family: 'Roboto', sans-serif;
}
.btn{
	cursor:pointer;
	display:inline-block;
	padding:30px;
	background: #05014e;
	border-radius: 4px;
	color: #fff;
	text-transform:uppercase;
	line-height:20px;
	@include transition(box-shadow .25s ease);
	&.after{
	content:'';
      display:inline-block;
      color: #94a657;
      background:#fff;
      font-family: 'FontAwesome';
      padding:3px;
      border-radius: 50%;
      height:20px;
      width:20px;
      margin-left:8px;
      padding-left: 4.5px;
      padding-right:1.5px;
   }
   &.playing{
       &:after{
         padding:3px;
         content:'';
      }
   }
}