misuzu-interim/assets/css/misuzu/embed.css

.embed {
    display: inline-block;
    overflow: hidden;
}

.embed iframe {
    width: 100%;
    height: 100%;
    display: block;
}

.embedph {
    display: inline-block;
    overflow: hidden;
    cursor: pointer;
    color: var(--text-colour);
    text-decoration: none;
}
.embedph:hover .embedph-bg img,
.embedph:active .embedph-bg img,
.embedph:focus .embedph-bg img,
.embedph:focus-within .embedph-bg img {
    transform: scale(1.1);
    filter: blur(10px) brightness(80%);
}
.embedph:hover .embedph-info,
.embedph:active .embedph-info,
.embedph:focus .embedph-info,
.embedph:focus-within .embedph-info {
    opacity: 0;
}
.embedph:hover .embedph-play,
.embedph:active .embedph-play,
.embedph:focus .embedph-play,
.embedph:focus-within .embedph-play {
    opacity: 1;
}
.embedph-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.embedph-bg img {
    object-fit: cover;
    width: 100%;
    height: 100%;
    display: inline-block;
    transition: transform .2s, filter .2s;
}
.embedph-fg {
    width: 100%;
    height: 100%;
}

.embedph-info {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-end;
    transition: opacity .2s;
}
.embedph-info-wrap {
    margin: 5px;
    background-color: var(--background-colour-translucent-8);
    border-radius: 5px;
    display: flex;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.embedph-info-bar {
    width: 5px;
    margin: 5px;
    border-radius: 5px;
    flex: 0 0 auto;
    background-color: var(--embedph-colour, var(--accent-colour));
}
.embedph-info-body {
    margin: 10px;
    margin-left: 5px;
}
.embedph-info-title {
    font-size: 2em;
    font-weight: 400;
    line-height: 1.1em;
    margin-bottom: 5px;
}
.embedph-info-desc {
    line-height: 1.4em;
    margin: .5em 0;
}
.embedph-info-site {
    font-size: .9em;
    line-height: 1.2em;
}

@media (max-width: 640px) {
    .embedph-info-title {
        font-size: 1.5em;
        line-height: 1.2em;
    }
    .embedph-info-desc {
        display: none;
    }
}

.embedph-play {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .2s;
}
.embedph-play-internal {
    margin-top: 40px;
    margin-bottom: 20px;
}
.embedph-play-external {
    padding: 5px 10px;
    font-size: 1.2em;
    line-height: 1.5em;
    text-decoration: none;
    color: var(--text-colour);
    background-color: var(--background-colour-translucent-6);
    border-radius: 5px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: background-color .2s, transform .2s;
}
.embedph-play-external:hover,
.embedph-play-external:focus {
    background-color: var(--background-colour-translucent-8);
    transform: scale(1.2);
}

.embed-youtube,
.embedph-youtube {
    aspect-ratio: 16 / 9;
    width: 100%;
    height: 100%;
    max-width: 560px;
    max-height: 315px;
}

.embed-nicovideo,
.embedph-nicovideo {
    aspect-ratio: 16 / 9;
    width: 100%;
    height: 100%;
    max-width: 640px;
    max-height: 360px;
}