Module:Navbox/styles.css

 .navbox{
 box-sizing:border-box;
 border:1pxsolid#a2a9b1;
 width:100%;
 clear:both;
 font-size:88%;
 text-align:center;
 padding:1px;
 margin:1emauto0;/* Prevent preceding content from clinging to navboxes */
 }

 .navbox.navbox{
 margin-top:0;/* No top margin for nested navboxes */
 }

 .navbox+.navbox-styles+.navbox{
 margin-top:-1px;/* Single pixel border between adjacent navboxes */
 }

 .navbox-inner,
 .navbox-subgroup{
 width:100%;
 }

 .navbox-group,
 .navbox-title,
 .navbox-abovebelow{
 padding:0.25em1em;
 line-height:1.5em;
 text-align:center;
 }

 .navbox-group{
 white-space:nowrap;
 text-align:right;
 }

 .navbox,
 .navbox-subgroup{
 background-color:#fdfdfd;
 }

 .navbox-list{
 line-height:1.5em;
 border-color:#fdfdfd;/* Must match background color */
 }

 .navbox-list-with-group{
 text-align:left;
 border-left-width:2px;
 border-left-style:solid;
 }

 /* cell spacing for navbox cells */
 /* Borders above 2nd, 3rd, etc. rows */
 /* TODO: figure out how to replace tr as structure;
  * with div structure it should be just a matter of first-child */
 tr+tr>.navbox-abovebelow,
 tr+tr>.navbox-group,
 tr+tr>.navbox-image,
 tr+tr>.navbox-list{
 border-top:2pxsolid#fdfdfd;/* Must match background color */
 }

 .navbox-title{
 /* Level 1 color */
 background-color:#ccf;
 }

 .navbox-abovebelow,
 .navbox-group,
 .navbox-subgroup.navbox-title{
 /* Level 2 color */
 background-color:#ddf;
 }

 .navbox-subgroup.navbox-group,
 .navbox-subgroup.navbox-abovebelow{
 /* Level 3 color */
 background-color:#e6e6ff;
 }

 .navbox-even{
 background-color:#f7f7f7;
 }

 .navbox-odd{
 background-color:transparent;
 }

 /* TODO: figure out how to remove reliance on td as structure */

 .navbox.hlisttddl,
 .navbox.hlisttdol,
 .navbox.hlisttdul,
 .navboxtd.hlistdl,
 .navboxtd.hlistol,
 .navboxtd.hlistul{
 padding:0.125em0;
 }

 .navbox.navbar{
 display:block;
 font-size:100%;
 }

 .navbox-title.navbar{
 float:left;
 text-align:left;
 margin-right:0.5em;
 }