nutty-tools/now-playing/themes/album-art/style.css

:root {
    --border-radius: 30px;
}

#main-wrapper {
    width: 500px;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: 0.5em;
    opacity: 0;
    aspect-ratio: 1 / 1;
}

#album-art-container {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    display: var(--show-album-art);
}

#album-art-layer,
#album-art-transition-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: opacity 0.5s ease;
    border-radius: var(--border-radius);
}

#album-art-layer {
    z-index: 1;
	transition: all 0.5s ease;
}

#album-art-transition-layer {
    z-index: 0;
}

#song-info-container {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

#text-info-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 6% 7%;
    padding-top: 50%;
    box-sizing: border-box;
    z-index: 2;
    text-align: var(--text-alignment);
}

#track-label {
	font-size: 2em;
	font-weight: 700;
    text-align: var(--text-alignment);
}

#artist-label {
	font-size: 1.5em;
	font-weight: 500;
	opacity: 0.8;
    text-align: var(--text-alignment);
}

#progress-bar {
    height: 1%;
    width: 0%; /* JS will control this */
    /* background: linear-gradient(to top, #ffffff00, var(--accent-color, #ffffff)); */
    background-color: var(--accent-color, #ffffff);
    transition: width 1s ease-in-out, background 1s ease-in-out;
    /* border-radius: 10000px; */
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 3;
}