.three-col-post-grid:not(.three-col-grid-panel) {
    margin-bottom: 75px;
}

.three-col-post-grid .post-grid-item {
    padding-bottom: 33px;
}

@media(min-width:768px) {
    .three-col-post-grid .post-grid-item:nth-of-type(1),
    .three-col-post-grid .post-grid-item:nth-of-type(3n+1) {
        padding-right: 20px;
    }

    .three-col-post-grid .post-grid-item:nth-of-type(2),
    .three-col-post-grid .post-grid-item:nth-of-type(3n-1) {
        padding-left: 10px;
        padding-right: 10px;
    }

    .three-col-post-grid .post-grid-item:nth-of-type(3n) {
        padding-left: 20px;
    }
}

@media(max-width: 767.92px) {
    .three-col-post-grid .post-grid-item:nth-of-type(2n-1) {
        padding-right: 12px;
    }
    .three-col-post-grid .post-grid-item:nth-of-type(2n) {
        padding-left: 12px;
    }
}