.player.play-btn {
    box-sizing: border-box;
    height: 60px;
    transition: 80ms all ease;
    will-change: border-width;
    cursor: pointer;
    border-color: transparent transparent transparent black;

    border-style: solid;
    border-width: 30px 0px 30px 50px;
}

.player.play-btn.pause {
    border-style: double;
    border-width: 0px 0px 0px 60px;
}


.player.next {
    border-style: none;
}

.player.previous {
    border-style: none;
}

table.player {
    border-collapse: collapse;
}