style2.css

@media only screen and (max-width: 450px) {
    body .green {
        height: 25vh;
    }
    body .black {
        height: 100vh;
    }
    body .top header {
        padding-top: 5%;
        padding-left: 2%;
    }
    body .body .bottom {
        height: 400px;
        margin-top: 8%;
        width: 67%;
    }
    body .notsupp {
        display: block;
        font-weight: lighter;
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        font-weight: 100;
        text-align: center;
        align-items: center;
        justify-content: center;
        font-size: large;
        color: rgb(109, 108, 108);
            
    }
    body .body .bottom .firstheading,
    body .body .bottom .scan {
        display: none;
    }
}