*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    background:#ececec;
    font-family:Arial,sans-serif;
}

.wall{
    max-width:1600px;
    margin:auto;
    padding:20px;
}

.top-ads,
.bottom-ads{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:10px;
    margin-bottom:10px;
}

.content-zone{
    display:grid;
    grid-template-columns:220px 1fr 220px;
    gap:10px;
}

.left-ads,
.right-ads{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:10px;
}

.ad{
    background:#d9d9d9;
    border:1px solid #bbb;
    aspect-ratio:1/1;
    overflow:hidden;
    cursor:pointer;
    transition:.3s;
    position:relative;
}

.ad:hover{
    transform:scale(1.05);
    z-index:10;
}

.ad img{
    width:100%;
    height:100%;
    object-fit:cover;
}

.premium{
    border:4px solid gold;
}

.video-container{
    background:black;
    border-radius:8px;
    overflow:hidden;
}

.video-container iframe{
    width:100%;
    aspect-ratio:16/9;
    border:none;
}

@media(max-width:1200px){

    .content-zone{
        grid-template-columns:1fr;
    }

    .left-ads,
    .right-ads{
        grid-template-columns:repeat(4,1fr);
    }

}

@media(max-width:768px){

    .top-ads,
    .bottom-ads{
        grid-template-columns:repeat(2,1fr);
    }

    .left-ads,
    .right-ads{
        grid-template-columns:repeat(2,1fr);
    }

}