.ad-slot {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 24px auto;
    padding: 0 12px;
}

.ad-slot .ad-variant {
    display: none;
    position: relative;
}

.ad-slot .ad-variant a {
    display: inline-block;
    line-height: 0;
}

.ad-slot img {
    display: block;
    max-width: 100%;
    height: auto;
}

.ad-slot .ad-variant-300 {
    display: block;
    max-width: 300px;
}

.ad-slot .ad-variant-600 {
    max-width: 600px;
}

.ad-slot .ad-variant-1080 {
    max-width: 480px;
}

@media (min-width: 640px) {
    .ad-slot .ad-variant-300 {
        display: none;
    }

    .ad-slot .ad-variant-600 {
        display: block;
    }
}

@media (max-width: 480px) and (min-height: 800px) {
    .ad-slot .ad-variant-300 {
        display: none;
    }

    .ad-slot .ad-variant-1080 {
        display: block;
    }
}