div.overlay > main {
    position: relative;
    background-color: var(--background-color);
    border: 1px solid var(--etch-color);
    margin-left: auto;
    margin-right: auto;
    max-width: fit-content;
    padding: 1em;
    margin-top: 10em;
}
div.overlay > main > button.close-button {
    background: none;
    padding: 0;
    border: none;
    position: absolute;
    top: 0;
    right: 0;
    margin: 1em;
    font-family: sans-serif;
    color: var(--delete-color);
    font-size: larger;
}
div.overlay > main > button.close-button:hover {
    color: var(--delete-highlight-color);
}

body > *:has(~ div.overlay > *) {
    user-select: none;
}