*.primary {background-color: rgb(0, 91, 21)}
*.secondary {background-color: rgb(0, 11, 77)}
*.tertiary {background-color: rgb(117, 255, 190)}
*.background {background-color: rgb(255, 255, 255)}
*.accent {background: transparent url(../images/Guilin_li_river.JPG) no-repeat top left}