Module:Vertical header/styles.css

 /* {{pp-template}} */
 @supports(writing-mode:vertical-rl){
 .ts-vertical-header{
 line-height:1;
 max-width:1em;
 padding:0.4em;
 vertical-align:bottom;
 width:1em;
 }

 html.client-js.sortable:not(.jquery-tablesorter).ts-vertical-header:not(.unsortable),
 html.client-js.ts-vertical-header.headerSort{
 background-position:50%.4em;
 padding-right:0.4em;
 padding-top:21px;
 }

 .ts-vertical-header.is-valign-top{
 vertical-align:top;
 }

 .ts-vertical-header.is-valign-middle{
 vertical-align:middle;
 }

 .ts-vertical-header.is-normal{
 font-weight:normal;
 }

 /* template text */
 .ts-vertical-header>*{
 display:inline-block;
 transform:rotate(180deg);
 writing-mode:vertical-rl;
 }

 @supports(writing-mode:sideways-lr){
 .ts-vertical-header>*{
 transform:none;
 writing-mode:sideways-lr;
 }
 }
 }

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