@media screen and (max-width: 980px) {

BODY {
    font-size: 23px;
    }

HEADER SECTION,
MAIN SECTION,
FOOTER SECTION {
    margin: 10px;
    }

H1 { font-size: 36px; }
H2 { font-size: 30px; }
H3 { font-size: 24px; }


}