.banner img {
    height: 100%;
    width: 100%;
    object-fit: contain;
}

/* For devices smaller than 768px */
@media (max-width: 768px) {
    #content h1 {
        font-size: 2em;
    }

    #content h2 {
        font-size: 1.7em;
    }

    #content h3 {
        font-size: 1.5em;
    }
}

/* For devices smaller than 576px */
@media (max-width: 576px) {
    #content h1 {
        font-size: 1.4em;
    }

    #content h2 {
        font-size: 1.25em;
    }

    #content h3 {
        font-size: 1.1em;
    }
}