/* Whole page background */
body {
    background-image: url(https://www.cs.rpi.edu/~cutler/classes/computationalgeometry/F23/images/penrose_vertical_green.png);
    background-color: rgba(240,243,250,0.00);
    background-blend-mode: lighten;
}

/* Add your own custom css (and/or rainbows) here */

aside li .selected {
    background-color: #bbddbb !important;
}