* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

.container {
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #006992, #27476E, #001d4a);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cal-box {
    width: 100%;
    max-width: 300px;
    height: 250px;
    background: #fff;
    display: flex;
    align-items: center;
    border-radius: 10px;
}

.left, .right {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    font-size: 24px;
}

.left {
    flex-basis: 58%;
    border-radius: 8px 0 0 8px;
}

.right {
    flex-basis: 42%;
    color: #fff;
    /* background: #000; */
    background: #ECA400;
    border-radius: 0 8px 8px 0;
}

#date {
    font-size: 84px;
    line-height: 90px;
}