main {
    min-height: 100vh;
    width: 100%;
    box-sizing: border-box;
    padding-top: 10vh;
}

.close {
    background: none;
    color: black;
    border: 0;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); /* width */
    grid-auto-rows: 100px; /* height*/
    grid-auto-flow: dense;
}

.item {
    overflow: hidden;
    display: grid;
    grid-template-columns: 1;
    grid-template-rows: 1;
}

.item img {
    grid-column: 1 / -1;
    grid-row: 1 / -1;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item__overlay{
    background: var(--overlay-background-color-hover);
    grid-column: 1 / -1;
    grid-row: 1 / -1;
    position: relative;
    display: grid;
    justify-items: center;
    align-items: center;
    transition: 0.3s;
    transform: translateY(100%);
}   

.item__overlay button {
    background: none;
    border: 2px solid white;
    color: white;
    text-transform: uppercase;
    background: rgba(0, 0, 0, 0.5);
    padding: 7px;
}

.item:hover .item__overlay {
    transform: translateY(0);
}

.item.v2{
    grid-row:span 2;
}

.item.v3 {
    grid-row:span 3;
}

.item.v4 {
    grid-row:span 4;
}

.item.h2 {
    grid-column:span 2;
}

.item.h3 {
    grid-column:span 3;
}

.item.h4 {
    grid-column:span 4;
}

.overlay {
    position: fixed;
    background: rgba(0, 0, 0, 0.7);
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    display: none;
    z-index: 2;
}

.overlay.open {
    display: grid;
    align-items: center;
    justify-items: center;
}

.overlay-inner {
    background: var(--overlay-background-color);
    width: 100%;
    max-width: 700px;
    padding: 10px;
}

.overlay img {
    max-width: 100%;
    max-height: 90vh;   
}

.close {
    color: var(--main-text-color);
    font-family: 'Poppins', sans-serif;
    font-size: 1.2rem;
    font-weight: 400;
}