@media (max-width: 768px) {
    .container {
        width: 95%;
        padding: 20px 10px;
    }

    .container h1 {
        font-size: 24px;
        text-align: center;
    }

    .calc-age {
        width: 100%;
        padding-inline: 20px;
        border-bottom-right-radius: 60px;
    }

    .calc-age .form {
        flex-direction: column;
        align-items: stretch;
        height: auto;
    }

    .calc-age .form div {
        width: 100%;
        margin-bottom: 15px;
    }

    .calc-age .form button {
        align-self: center;
        margin-top: 10px;
    }

    .calc-age .form::before {
        bottom: 30px;
    }

    .container .calc-age .age {
        font-size: 40px;
        text-align: center;
    }

    .container .calc-age .age span {
        padding-right: 5px;
    }

    .calc-age .form input {
        font-size: 22px;
    }

    .calc-age .form input::placeholder {
        font-size: 22px;
    }

    .calc-age .form label {
        font-size: 11px;
    }

    .calc-age .form button .fa-arrow-down {
        font-size: 36px;
    }
}