.gridwrapper {
    display: grid;
    grid-template-columns: 100%;
    column-gap: 1.5em;
    row-gap: 30px;
}

@media screen and (min-width: 760px) {
    .gridwrapper {
        display: grid;
        grid-template-columns: 50% 50%;
        column-gap: 1.5em;
        row-gap: 30px;
    }
}