body {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height: 100vh;
    background-color: #0000FF;
    color: #ffffff;
    font-family: 'Doto', sans-serif;
}

#titre {
    position: static;
    margin-bottom: 20px;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
    color: #ffffff;
    width: 100%;
}

#conteneur {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 15px;
    padding: 20px;
}

#timezone {
    position: absolute;
    bottom: 10px;
    left: 10px;
    font-size: 1rem;
    color: #ffffff;
    font-family: 'Doto', sans-serif;
    text-align: left;
}

#tel {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 100%;
    padding: 5px 10px;
    text-align: right;
    font-size: 1rem;
    font-family: 'Doto', sans-serif;
    animation: couleurs 2s linear infinite;
}

@keyframes couleurs {
    0% { color: hsl(0, 90%, 65%); }
    25% { color: hsl(90, 90%, 65%); }
    50% { color: hsl(180, 90%, 65%); }
    75% { color: hsl(270, 90%, 65%); }
    100% { color: hsl(360, 90%, 65%); }
}

@media screen and (max-width: 768px) {
    #timezone {
        position: static;
        text-align: center;
        margin-top: 20px;
    }

    #tel {
        position: fixed;
        bottom: 0;
        right: 0;
        width: 100%;
        padding: 5px 10px;
        text-align: center;
        animation: couleurs 2s linear infinite;
    }
}