fix(tabs): inside content boxes which apply theme and text color for …

…children

- tabs-block .tab now has text color so we avoid having white text on white background
  when we are inside a content-box
- set color for text-color-inactive from content box so that we style the tab text color
  inside the content box  with a white with opacity like we do when we use the inverted
  style

theme/themes/eea/extras/tag.less

@@ -36,9 +36,4 @@
   }
 }
 
-.ui[class*='ary'] .tag .name,
-.ui[class*='ary'] .tag .icon {
-  color: @tagNameFontColorWithBackground;
-}
-
 .loadUIOverrides();

theme/themes/eea/extras/tag.variables

@@ -14,7 +14,6 @@
 /* Tag text */
 @tagNameFontSize       : 1rem;
 @tagNameFontColor      : @textColorCSSVar;
-@tagNameFontColorWithBackground : @grey-0;
 @tagNameFontWeight     : 500;
 @tagNameLineHeight     : 1.25rem;