@media (max-width: 600px) {
    #centre h1 {
        font-size: 3.5rem;
        line-height: 3.5rem;
        padding-bottom: 2rem;
    }

    #centre p span {
        font-size: 2rem;
        font-weight: 400;
        line-height: 3rem;
    }

    #contact {
        margin-top: 5rem;
        margin-bottom: -10rem;
        text-align: center;
    }
}