:root {
    /* purple ryan-hutton theme */
    --header-color: #483B87;
    --aside-color: #483B879a;
    --aside-border-color: #7a6fb1;
    --text-color: white;
    --background-color: #00152d;
    --background-image: url(./images/ryan-hutton.jpg);
    --background-size: cover;
}