body {
    padding: 16px;
    max-width: 640px;
    margin: auto;
    font-family: var(--font-jost), sans-serif;
    font-size: 20px;
    line-height: 1.8rem;
}

h1,
h2 {
    font-weight: bold;
    line-height: 2.4rem;
}

dt {
    font-weight: bold;
}

img {
    border-radius: 8px;
    max-width: 100%;
    height: auto;
}

code {
    font-size: 1rem;
    font-family: "Space Mono", "Courier New", sans-serif;
}

.iframe-container {
    position: relative;
    overflow: hidden;
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) */
    margin-bottom: 16px;
}

.iframe-container > iframe {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

.nav > a {
    margin-right: 0.25rem;
    font-size: 1rem;
}

.center {
    text-align: center;
}

.muted {
    color: #aaa;
}

.float-end {
    float: right;
}

pre {
    border: 1px solid #ddd;
    background: #eee;
    padding: 0.5rem;
    font-size: 0.9rem;
    border-radius: 4px;
}