:root {
    /* --adblock-size-x: 306px; */
    --adblock-size-x: 268px;
}

#main .mbw-ad-block {
    padding: 10px;
}

@media only screen and (min-width: 1025px) {
    #main {
        display: grid;
        grid-template-columns: calc(100% - var(--adblock-size-x)) var(--adblock-size-x);
    }
}

@media only screen and (max-width: 1024px) {
    #main .mbw-ad-block {
        margin-bottom: 20px;
    }
}