/*body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #ffffff;
    margin: 0;
}*/

.container1 {
    text-align: center;
}

#countdown {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1em;
}

.unit {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin: 0 5px;
}