:root {
    /* Color definitions */
    --dav-green-rgb: 85, 170, 34;
    --dav-green-dark-rgb: 42, 85, 17;
    --dav-blue-rgb: 55, 150, 183;

    --dav-green-fg-color: rgba(255, 255, 255, 0.8);
    --dav-green-fg-hover-color: rgba(255, 255, 255, 0.9);

    /* calculated colors */
    /*
      bootstrap green: #198754
      bootstrap green hover: #157347
      => delta: -0x04160d
     */
    --hover-delta-value: rgb(4, 22, 13);
    --dav-green: rgb(var(--dav-green-rgb));
    --dav-green-hover: calc(var(--dav-green) - var(--hover-delta-value));
}