/* # = ID, . = class */

/* Color scheme: lavender */

body,
#content_body { background-color: white; }

/* navigation level 1 tabs */
.nav_tabs__item:nth-child(odd) { background-color: #CCFFFF; /* cyan */ }

/* box frame */
#nav_tabs__selected,
#nav_submenu,
#nav_bottom,
#content_box {
    background-color: #CCCCFF; /* lavender */
}