* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100dvh;
    background-color: slateblue;
}

main {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 300px;
    text-align: center;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0px 8px 12px rgba(0, 0, 0, .3);
    overflow: hidden;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

#month {
    padding: 12px;
    font-weight: bold;
    color: white;
    background-color: orangered;
    font-size: 30px;
}

#week {
    color: darkgray;
    font-size: 20px;
    padding-top: 12px;
}

#day {
    width: 100%;
    font-size: 80px;
    font-weight: bold;
    padding: 24px 0;
}

#year {
    padding-bottom: 12px;
    color: darkgray;
    font-size: 20px;
}