style.css

:root {
    --background:  #F8F8FF;
}

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

body {
    background-color: var(--background);
    display: grid;
    place-items: center;
    height: 100vh;
}

.gallery {
    display: flex;
    gap: 1rem;
    max-width: 80rem;
}

.card {
    position: relative;
    left: 0px;
    width: 9rem;
    border-radius: 1.2rem;
    height: 20rem;
    overflow: hidden;
    background-color: var(--background);
    transition: 0.4s ease-in-out;
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.3);
    flex: 0.25;
}

.card img {
    position: relative;
    height: 20rem;
    object-fit: cover;
   
}

.card:hover {
    flex: 2;
    font-weight: bold;
    cursor: pointer;
    border-radius: 1rem;
}

.gallery-title {
    padding: 0 15px;
    flex: 0 0 100%;
    max-width: 100%;
    text-align: center;
    margin-bottom: 60px;
}

.gallery-title h2 {
    display: inline-block;
    font-size: 30px;
    font-weight: 700;
    color: var(--text-black-900);
    text-transform: uppercase;
    margin: 0;
}

.gallery-title h2:before {
    content: attr(data-heading);
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--skin-color);
}

.modal {
    display: none; 
    position: fixed; 
    z-index: 1; 
    padding-top: 100px; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgb(0,0,0); 
    background-color: rgba(0,0,0,0.9); 
}
.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 900px;
}
.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}
@media screen and (max-width: 700px) {
    .modal-content {
        width: 100%;
    }
}

.modal #caption {
    padding: 10px 317px;
    width: 85%;
    float: left;
    text-align: left;
    line-height: 1.1em;
    color: #ccc;
  }

.pagination {
    text-align: center;
    margin-top: 20px;
}
.pagination a {
    margin: 0 5px;
    cursor: pointer;
}
.active-page {
    font-weight: bold;
}