@media screen and (max-width: 450px) {
    #section-02 h3 {text-align: center;}
    #section-02 h3 + p {text-align: center;}
    #dog-wag-img {margin-bottom: 40px;}
    #dog-chews-img {max-width: 150px;}
}

@media screen and (min-width: 401px) and (max-width: 450px) {
    #header-logo-img {
        max-width: 300px;
        margin: 0 auto 0 auto;
    }
}

@media screen and (min-width: 900px) {
    #section-01 {
        margin-top: -137px;
        padding-top: 137px;
        padding-bottom: 50px;
    }
}