body {
    font-family: Arial, sans-serif;
}

.labels {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.labels label {
    padding: 0 10px 0 10px;
}

.timeline {
    position: relative;
    /* max-width: 600px; */
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: #ccc;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    z-index: -1;
}

.container {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

.container.left {
    left: -5px;
}

.container.right {
    left: 50.2%;
}

.container::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -17px;
    background-color: white;
    border: 4px solid #ccc;
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.container.right::after {
    left: -16px;
}

.container .content {
    padding: 20px 30px;
    background-color: #235e6e;
    position: relative;
    border-radius: 6px;
}

.century {
    text-align: center;
    font-size: 30px;
    font-weight: bold;
    margin-top: 20px;
    color: #fff;
    background-color: #0f2e40;
    border: 10px solid #0f2e40;
}

.container h3 {
    font-size: 20px;
    margin: 5px 0;
    padding: 0;
}

.container h4 {
    font-size: 15px;
    color: #0f2e40;
    margin: 5px 0;
    padding: 0;
}

.container p {
    margin: 5px 0;
}


/*---------------------------------------------------
Smartphone - esegue se l'altezza è inferiore o uguale a 767px
---------------------------------------------------*/

@media (max-width: 767px) {

    .container {
        padding: 10px 20px;
    }

    .container h3 {
        font-size: 18px;
    }

    .container h4 {
        font-size: 13px;
    }

    .container p {
        font-size: 15px;
    }

}