.heading {
    margin-top: 100px;
}
.heading h1 {
    padding-left: 25px;
    font-size: 1.4rem;
    font-family: sans-serif;
    font-weight: 800;
    text-transform: uppercase;
}
        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
            padding: 20px;
        }

        .gallery-item {
            overflow: hidden;
        }

        .gallery-item img {
            width: 100%;
            height: auto;
            display: block;
        }
		.gallery-item img:hover {
            cursor: pointer;
        }

        .modal {
            display: none;
            position: fixed;
            z-index: 1;
            padding-top: 100px;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.9);
        }

        .modal-content {
            margin: auto;
            display: block;
            max-width: 90%;
            max-height: 90%;
        }

        .close {
            position: absolute;
            top: 145px;
            right: 360px;
            color: #f1f1f1;
            font-size: 40px;
            font-weight: bold;
            transition: 0.3s;
			opacity: .9 !important;
        }

        .close:hover,
        .close:focus {
            color: #bbb;
            text-decoration: none;
            cursor: pointer;
        }