:root {
    --border-color: #000000;
}
[data-theme="dark"] {
    --border-color: #ffffff;
}

.map-container {
    width: 90%;
    height: 400px;
    margin: 20px auto; /* Center the container */
    border: 2px solid var(--border-color);
}
.map { width: 100%; height: 100%; }

.image-container {
    width: 90%;
    height: 400px;
    margin: 20px auto;
    border: 2px solid var(--border-color);
}
.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (min-width: 70rem) {  /* Big Screens */
    .toc {      /* Table of Contents stays on screen */
        width: 200px;
        margin-right: 20px;
        position: fixed;
        left: 20px;
        top: 20px;
        padding: 10px;
        z-index: 1;
    }
    .toc h2 {
        font-size: 21px;
    }
}