section#gallery ul{
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid: 250px / 1fr 1fr 1fr 1fr 1fr;
    grid-auto-rows: 250px;
    gap: 40px;
}





section#gallery ul li a{
    width: 100%;
    height: 100%;
}

section#gallery ul li img{
    height: 100%;
    width: 100%;
    object-fit: cover;
    border-radius: 10px;
}


@media only screen and (min-width: 1000px) {
    section#gallery ul li:nth-child(1){
        grid-column: 1/4;
    }
    
    section#gallery ul li:nth-child(2){
        grid-column: 4/6;
    }
    
    section#gallery ul li:nth-child(3){
        grid-column: 1/3;
        grid-row: span 2;
    }
    
    section#gallery ul li:nth-child(4){
        grid-column: 3/6;
    }
    
    section#gallery ul li:nth-child(5){
        grid-column: 3/4;
    }
    
    section#gallery ul li:nth-child(6){
        grid-column: 4/6;
    }

    section#gallery ul li:nth-child(7){
        grid-column: 1/4;
    }
    
    section#gallery ul li:nth-child(8){
        grid-column: 4/6;
    }
    
    section#gallery ul li:nth-child(9){
        grid-column: 1/3;
        grid-row: span 2;
    }
    
    section#gallery ul li:nth-child(10){
        grid-column: 3/6;
    }
    
    section#gallery ul li:nth-child(11){
        grid-column: 3/4;
    }
    
    section#gallery ul li:nth-child(12){
        grid-column: 4/6;
    }
    
}

@media only screen and (max-width: 1000px) {
    section#gallery ul{
        grid: 200px / 1fr 1fr;
        grid-auto-rows: 200px!important;
        gap: 20px;
    }
    
}