body {
    margin: 0;
    padding: 0;

    font-family: sans-serif;
    font-size: 1.2em;
    color: #333;
    background: #eee;
    overflow-x: hidden;
}

.columns {
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    min-width: 80em;
    max-width: 100vw;
}

.left,
.right {
    position: relative;
    box-sizing: border-box;
}

.left {
    flex: 2;
}

.right {
    flex: 1;
    padding: 0 1em;
    max-width: 40em;
}

@media (max-width: 600px) {
    .columns {
        width: 100vw;
        flex-direction: column;
    }
    .right {
        max-width: 100vw;
    }
}

pre {
    background: #f4f4f4;
    padding: 1em;
    /* width: 100%; */
    overflow-x: scroll;
    overflow-y: hidden;
    white-space: pre-wrap;
}

small {
    font-size: 0.8em;
}

canvas {
    margin: 0 auto;
    width: min(100vw, 99vh);
    aspect-ratio: 1 / 1;
    background: #f4f4f4;
}

canvas:focus {
    outline: 0;
}

fieldset {
    margin-bottom: 1em;
}

dl {
    display: flex;
    flex-wrap: wrap;
}

dt {
    width: 33%;
}

dd {
    margin-left: auto;
    width: 66%;
}

dt,
dd {
    margin-bottom: 0.5em;
}

dl small {
    width: 100%;
    margin-bottom: 1em;
}

dt label {
    display: inline-block;
    width: 100%;
}

input {
    font-size: 1em;
}

input[type="number"] {
    width: 6em;
}