* {
    --font-primary: #333333;
    --font-secondary: #666666;
    --font-tertiary: #adadad;
    --font-stale: #b96a6a;
}

.sensor-container {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-evenly;
    line-height: normal;
}

.sensor {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin: 0.5rem 0.5rem;
    padding: 1rem;
}

.sensor-container.stale .sensor{
    display: none;
}

.sensor.stale {
    opacity: 0.5;
}

.sensor-container .stale-info {
    display: none;
}

.sensor-container.stale .stale-info {
    display: block;
    text-align: center;
    color: var(--font-stale);
    font-size: 4rem;
    margin: 5rem 1rem;
}

.sensor .name {
    color: var(--font-secondary);
    font-size: 1.5rem;
    margin-top: 0.5rem;
}

.sensor .value-container {
    display: inline-flex;
    flex-direction: row;
}

.sensor .value {
    color: var(--font-primary);
    font-size: 5rem;
    font-weight: 700;
}

.sensor .unit {
    color: var(--font-secondary);
    font-size: 2rem;
    margin: 1rem;
}

.sensor .timestamp {
    color: var(--font-tertiary);
    font-size: 1rem;
    margin-top: 0.4rem;
}

.sensor.stale .timestamp {
    color: var(--font-stale);
}

.sensor .color-bar {
    height: 0.5rem;
    width: 100%;
}

.graph-title {
    color: var(--font-secondary);
    font-size: 2rem;
}

.graph-container {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-evenly;
    line-height: normal;
}

.graph-container .graph {
    margin: 1rem;
    width: 90%;
    min-height: 500px;
}