html {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;

    font-family: Roboto, sans-serif;

    --temp-background: #0d47a1;
    --temp-text: white;
    --dewpoint-background: #5472d3;
    --dewpoint-text: white;
}

body {
    margin: 0;
    padding: 0;
    display: flex;
    flex-flow: column nowrap;
    width: 100%;
    height: 100%;
}

h1 {
    /* Reset. */
    margin: 0;
    padding: 0;
    font: inherit;

    flex: none;
    background: #263238;
    color: white;
    padding: 12px 24px;
    font-size: 24px;

    display: flex;
    flex-direction: column;
    justify-content: center;
}

h1 span {
    display: block;
}

p {
    margin: 0;
    padding: 0;
    font: inherit;
    flex: auto;
}

p.plain {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: baseline;
    padding: 24px;
    line-height: 1;
}

p.plain.important .key {
    display: block;
    opacity: 75%;
    font-size: 18px;
}

p.plain.important .value {
    margin-top: 0;
    font-size: 150px;
    display: flex;
    flex-flow: row nowrap;
}

p.plain.important .value .unit {
    font-size: 33%;
    font-weight: bold;
    opacity: 66%;
    padding-top: 0.25em;
}

p.fancy {
    position: relative;
}

p.fancy canvas {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#temp {
    background: var(--temp-background);
    color: var(--temp-text);
}

#dewpoint {
    background: var(--dewpoint-background);
    color: var(--dewpoint-text);
}

#timestamp {
    flex: none;
    background: #263238;
    color: white;
    height: 48px;
    padding: 0 24px;

    display: flex;
    flex-direction: column;
    justify-content: center;
}

#timestamp > span {
    display: block;
}