    .white-circle {
        cursor: pointer;
        background-color: #fff;
        box-shadow: 0 0 8px #d8dbe3;
        border-radius: 100px;
        height: 100px;
        margin: 0 auto;
        width: 100px;
    }
    
    .white-circle:hover {
        box-shadow: 0 0 8px #007dbc;
    }
    
    .white-circle img {
        position: relative;
        top: 18px;
    }
    
    .audio-control {
        position: fixed;
        top: 50%;
        left: 50%;
        margin-top: -50px;
        margin-left: -50px;
        text-align: center;
    }
    
    body {
        font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
        line-height: 21px;
        color: #444;
        font-size: 13px;
        font-weight: 400;
        background-color: #f9fafc;
    }
    
    canvas {
        height: 100px;
        width: 100vw;
        margin-top: -50px;
        display: block;
        position: fixed;
        top: 50%;
        left: 0;
        z-index: -1;
    }