Modifications

.navbox-subgroup { background-color: #fff; }

.navbox-list { border-color: #f9f9f9; }

.navbox-abovebelow, .navbox-group, .navbox-subgroup .navbox-title { background-color:#f2f2f2 !important; }

.navbox-subgroup .navbox-group, .navbox-subgroup .navbox-abovebelow { background-color:#f2f2f2 !important; }

/* ambox */

.ambox { background-color: #f9f9f9; border-left: #BBBBAA solid 4px; box-shadow: 0 1px 1px 0 rgba(0,0,0,.1); clear:left; float:left; margin: 8px 0 12px; padding: 1px 12px; }

.ambox p { margin: .5em 0!important; padding: 2px; }

.ambox-blue { border-color: #1E90FF; }

.ambox-orange { border-color: #F28500; }

.ambox-yellow { border-color: #F4C430; }

.ambox-purple { border-color: #9932CC; }

.ambox-gray { border-color: #BBBBAA; }