.four-column h3{
    font-size: 1.6em !important;
}
@media (min-width: 600px) {
.four-column h3{
    font-size: 1em!important;
}}
@media (min-width: 768px) {
.four-column h3{
    font-size: 1.1em!important;
}}

@media (min-width: 960px) {
.four-column h3{
    font-size: 1.5em!important;
}}