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

html, body {
    width: 100%;
    min-height: 100%;
    background-color: white;
}

/* Center images */

.main-container {
    width: 100%;
    min-height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;
}

.image-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
}

.image-card {
    display: block;
    width: 300px;
    height: 300px;
    overflow: hidden;
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Side Index */

.side-info {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    color: black;
    font-family: Arial, sans-serif;
}

.left-info {
    left: 15%;
}

.left-info h1 {
    font-size: 20px;
    font-weight: normal;
}

.right-info {
    right: 15%;
    text-align: right;
}

.right-info ul {
    list-style: none;
}

.right-info li {
    font-size: 20px;
    margin-bottom: 5px;
}

.right-info a {
    color: black;
    text-decoration: none;
}

.right-info a:hover {
    color: #888888;
}

.side-info[hidden] {
    display: none;
}