/* Start custom CSS */@media only screen and (max-width: 767px) {
    h1 {
        font-size: 26px;
        text-align: center;
    }
    h2 {
        font-size: 24px;
        text-align: center;
    }
    h3 {
        font-size: 22px;
        text-align: center;
    }
    h4 {
        font-size: 20px;
        text-align: center;
    }
}/* End custom CSS */