react-tunes-player/design/light-theme/style.css

A simple .ogg/.mp3 player.

body {
    margin: 0;
    padding: 0;
}

.player {
    background: #353739;
    display: grid;
    color: #eef2f7;
    grid-template-columns: 1fr 2fr 1fr;
    position: fixed;
    bottom: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    height: 90px;
    grid-gap: 0.5em;
}

.album {
    display: grid;
    grid-template-columns: 1fr;
}

.album-cover {
    display: none;
}

.album-header {
    width: 100%;
    align-self: center;
}

.album-header-font {
    margin: 0;
    padding: 0;
    font-family: 'Source Sans Pro', 'Helvetica', 'Arial', sans-serif;
    font-size: 12px;
    line-height: 1.5;
}

.player-controls-list {
    height: 100%;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.player-controls-list-skip-back, .player-controls-list-play-circle, .player-controls-list-pause-circle, .player-controls-list-skip-forward {
    list-style: none;
}

.player-controls-list-skip-back:hover > svg {
    fill: #7b818a;
}

.seek-control {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-items: center;
    align-items: center;
}

.seek-control-progress {
    display: none;
}

.seek-control-time-progress, .seek-control-time-total {
    font-family: 'Source Sans Pro', 'Helvetica', 'Arial', sans-serif;
    font-size: 12px;
    line-height: 1.5;
}

.seek-control-progress {
    width: calc(100% - 1em);
    height: 0.5em;

    /* Reset the default appearance */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;

    /* Get rid of default border in Firefox. */
    border: none;
    background-size: auto;
    background: #7b818a;
}

.seek-control-progress::-webkit-progress-value {
    background: #ffffff;
}

.seek-control-progress::-moz-progress-bar {
    background: #ffffff;
}

.volume-controls {
    display: none;
}

.volume-controls-list-x, .volume-controls-list-0, .volume-controls-list-1, .volume-controls-list-2 {
    list-style: none;
}

@media screen and (min-width: 375px) {

}

@media screen and (min-width: 768px) {

    .player {
        grid-gap: 0.5em;
        grid-template-columns: 2fr 1fr 3fr;
    }

    .seek-control {
        grid-template-columns: 2em auto 2em;
        justify-items: center;
        align-items: center;
    }

    .seek-control-progress {
        display: inline;
    }

    .album {
        display: grid;
        grid-template-columns: 114px 2fr;
        height: calc(100% - 1em);
    }

    .album-cover {
        display: block;
        margin: 0.5em;
        border: 1px solid #eef2f7;
        width: 100px;
        height: calc(90px - 1em);
    }

    .album-img {
        object-fit: cover;
        width: 100%;
        height: 100%;
    }

    .album-header-font {
        font-size: 16px;
    }

    .volume-controls-list {
        height: 100%;
        margin: 0;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}

@media screen and (min-width: 1024px) {

    .player {
        grid-gap: 2em;
        grid-template-columns: 2fr 1fr 3fr 1fr;
    }

    .volume-controls {
        display: inline;
    }
}