:root {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color: #f4f1de;
    background: #172121;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
}

body {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: #172121;
}

main {
    width: min(100%, 1100px);
}

#clock-panel {
    display: flex;
    min-height: 260px;
    align-items: center;
    justify-content: center;
    padding: clamp(28px, 7vw, 76px);
    border: 8px solid #f4f1de;
    background: #d1495b;
    box-shadow: 16px 16px 0 #f4f1de;
}

#clock {
    color: #172121;
    font-size: clamp(3.5rem, 12vw, 10rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

@media (max-width: 560px) {
    body {
        padding: 16px;
    }

    #clock-panel {
        min-height: 190px;
        border-width: 5px;
        box-shadow: 10px 10px 0 #f4f1de;
    }
}