a {
    color: #007bff;
    text-decoration: none;
    background-color: transparent;
}

a, a * {
    transition: all .2s ease-in-out;
}

ul:not(.navbar-nav), ol:not(.navbar-nav) {
    margin-left: 2rem;
}

.embed-responsive {
    position: relative;
    display: block;
    width: 100%;
    height: 600px;
    padding: 0;
    overflow: hidden;
}

.embed-responsive .embed-responsive-item, .embed-responsive iframe, .embed-responsive embed, .embed-responsive object, .embed-responsive video {
    position: relative;
    top: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.thumbnail {
    width: 150px;
    height: auto;
    cursor: pointer;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.lightbox-content {
    position: relative;
}

.lightbox-image {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 10px;
}

.close-button, .nav-button {
    position: absolute;
    background: none;
    border: none;
    color: white;
    font-size: 2em;
    cursor: pointer;
    padding: 10px;
}

.close-button {
    top: 10px;
    right: 20px;
}

.nav-button.left {
    left: -60px;
    top: 50%;
    transform: translateY(-50%);
}

.nav-button.right {
    right: -60px;
    top: 50%;
    transform: translateY(-50%);
}