a.audio {
    width: 30%;
    height: 220px;
    display: inline-block;
    border: 1px solid black;
    border-radius: 20px;
    
    text-decoration: none;
    color: inherit;
    text-align: center;
    
    font-size: 50px;
    font-family: 'Open Sans';;
    padding-top: 85px;
    line-height: 50px;
    box-sizing: border-box;
    background: #f0f0f0;

    position: relative;
}

#stop {
    width: 87%;
    display: block;
    height: 100px;
    box-sizing: border-box;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;

    border-radius: 20px;

    font-family: 'Open Sans';
    

    text-align: center;
    font-size: 30px;
    text-decoration: none;
    color: inherit;
    padding-top: 25px;
    background: #faa;
}

a.audio span {
    position: absolute;;
    top: 0;
    right: 0;
    border: 1px solid black;
    border-top-right-radius: 20px;
    margin-right: -1px;
    margin-top: -1px;

    padding-right: 10px;
    padding-left: 10px;
    background: #ffffff;

    font-size: 40px;
    
}
    
a.playing {
    background: #bae0c0;
}