body {
    font-family: Arial;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #333;
    color: #fff;
    text-align: center;
}

main {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    align-items: center; /* Das zentriert den Countdown horizontal im Bild */
    justify-content: center; /* Das zentriert den Countdown vertikal im Bild */
    padding: 20px;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: right;
    padding: 10px;
    display: flex;
    justify-content: flex-end;
}

#user-input {
    display: flex;
    align-items: center;
}

#timer-container {
    display: flex;
    justify-content: center; /* Countdown horizontal zentrieren */
    align-items: center; /* Countdown vertikal zentrieren */
    flex-grow: 1;
}

#timer {
    font-size: 80px;
}

footer button {
    margin-left: 10px;
}

/* Zusätzliches CSS, um den Countdown horizontal zu zentrieren */
@media screen and (min-width: 768px) {
    #timer-container {
        display: flex;
        justify-content: center;
        align-items: center;
    }
}