:root {
    --main-color: #ff9800;
}
/* Start Gallery */

.gallery .images-box img {
    width: 200px;
    padding: 3px;
    background-color: #f6f6f6;
    margin: 5px;
    border: 1px solid #ccc;
    cursor: pointer;
}
.popup-overlay {
    position: fixed;
    background-color: rgba(0, 0, 0, .7);
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
}
.popup-box {:root {
    --main-color: #ff9800;
}
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    border: 1px solid #ccc;
    padding: 20px;
    z-index: 101;
}
.popup-box img {
    max-width: 100%;
}
.popup-box h3 {
    font-weight: bold;
    margin: 0 0 20px;
    text-align: center;
}
.popup-box .close-button {
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    background-color: #eee;
    text-align: center;
    align-content: center;
    font-weight: bold;
    cursor: pointer;
    border-radius: 4px;
    transition: .2s;
}
.popup-box .close-button:hover {
    background-color: #ddd;
}
/* End Gallery */