.page-etc {}
.page-etc .section-content {line-height: 1.615;font-size: 15rem;}
.page-etc .section-content h2 {margin: 20rem 0;font-size: 23rem;}
.page-etc .section-content h3 {margin: 15rem 0;font-size: 17rem;}

@media all and (max-width:660px) {
    .page-etc .section-content {font-size: 13rem;}
    .page-etc .section-content h2 {font-size: 19rem;}
    .page-etc .section-content h3 {font-size: 16rem;}
}