.grid-sizer,
.grid-item {
    width: 49%;
}

.grid-item {
    margin-bottom: 10px;
}

.gutter-sizer {
    width: 2%;
}

@media screen and (max-width: 985px) {
    .grid-sizer,
    .grid-item {
        width: 100%;
    }

    .gutter-sizer {
        width: 0%;
    }
}