/* container */
.responsive-three-column-grid {
    display:block;
}

/* columns */
.responsive-three-column-grid > * {
    padding:1rem;
}

/* tablet breakpoint */
@media (min-width:768px) {
    .responsive-three-column-grid {
        display: grid;
        grid-auto-rows: 1fr;
        grid-template-columns: 1fr 1fr 1fr;
    }
}

.header_section { text-align: center }
.footer_section { text-align: center }

.section_title { text-align: center }
.section_text { text-align: center }