refactor: use correct class for badge on index page. css rewrite/comment

invenio_theme_tugraz/assets/semantic-ui/less/invenio_theme_tugraz/frontpage.less

@@ -20,9 +20,8 @@ h2 {
   margin-inline-end: 0px;
 }
 
-
-.ui.label.blue,
-.record-version {
+.ui.blue.labels .label,
+.ui.blue.label {
   color: @greyDark !important;
   background-color: @recordVersionBackground !important;
   border-color: @recordVersionBackground !important;

invenio_theme_tugraz/assets/semantic-ui/less/invenio_theme_tugraz/search.less

@@ -27,6 +27,7 @@
   display: inline;
 }
 
+// align badges to the right
 .ui.items > .item .extra.labels-actions {
   float: right;
   width: auto;

invenio_theme_tugraz/templates/invenio_theme_tugraz/index.html

@@ -58,7 +58,7 @@
         -->
         <div class="badges">
           <!--Publication date/Version badge-->
-          <span class="ui label record-version" title="{{_('Publication date')}}">
+          <span class="ui label blue" title="{{_('Publication date')}}">
             {{ r.metadata.publication_date }} {{ '(' ~ r.metadata.version ~ ')' if r.metadata.version }}
           </span>