.w3-highway-brown
{color:#fff;background-color:#633517}

.w3-highway-red
{color:#fff;background-color:#a6001a}

.w3-highway-orange
{color:#fff;background-color:#e06000}

.w3-highway-schoolbus
{color:#fff;background-color:#ee9600}

.w3-highway-yellow
{color:#fff;background-color:#ffab00}

.w3-highway-green
{color:#fff;background-color:#004d33}

.w3-highway-blue
{color:#fff;background-color:#00477e}