:root {
    /* purple computer theme */
    --header-color: #2d005e;
    --aside-color: #2d005edd;
    --aside-border-color: #a67ed2;
    --text-color: white;
    --background-color: #46007b;
    --background-image: url(./images/backgrounds/purple_computer_tile.jpg);
    --background-size: auto;
}