*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{

    background:#181818;
    color:white;
    font-family:Arial, Helvetica, sans-serif;

}

main{

    padding:40px;

}

.player{

    position:fixed;

    bottom:0;
    left:0;
    right:0;

    height:90px;

    background:#222;

    border-top:2px solid #444;

    display:flex;

    align-items:center;

    padding:20px;

}

#playButton{

    width:55px;
    height:55px;

    border-radius:50%;

    border:none;

    cursor:pointer;

    font-size:22px;

    margin-right:20px;

}

.song{

    display:flex;

    flex-direction:column;

}

.title{

    font-size:18px;
    font-weight:bold;

}

.artist{

    color:#999;

}

.progress-container {
    display: grid;
    grid-template-columns: 42px minmax(180px, 500px) 42px;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.progress-container span {
    color: #aaa;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

#progressBar {
    width: 100%;
    cursor: pointer;
}

.controls {
    display: grid;
    grid-template-columns: 48px 56px 48px;
    align-items: center;
    column-gap: 12px;
    margin-right: 20px;
}

.controls button {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 48px;
    height: 48px;
    padding: 0;

    border: none;
    border-radius: 50%;
    background: #f2f2f2;
    color: #181818;

    cursor: pointer;
    font-size: 18px;
    line-height: 1;
}

#playButton {
    width: 56px;
    height: 56px;
    font-size: 22px;
}