added styles for general tabs (to be used in mediamanager and other components)

lib/tpl/default/_tabs.css

+
+.dokuwiki ul.tabs {
+    padding: 0;
+    margin: 0;
+    overflow: hidden;
+}
+.dokuwiki ul.tabs li {
+    float: left;
+    padding: 0;
+    margin: 0;
+    list-style: none;
+}
+
+.dokuwiki ul.tabs li strong,
+.dokuwiki ul.tabs li a {
+    float: left;
+    padding: .3em .8em;
+    margin: 0 .3em 0 0;
+    background-color: __background_neu__;
+    color: __text__;
+    border-radius: .5em .5em 0 0;
+}
+.dokuwiki ul.tabs li strong {
+    font-weight: normal;
+}
+
+.dokuwiki ul.tabs li a:link,
+.dokuwiki ul.tabs li a:visited {
+}
+.dokuwiki ul.tabs li a:hover,
+.dokuwiki ul.tabs li a:active,
+.dokuwiki ul.tabs li a:focus,
+.dokuwiki ul.tabs li strong {
+    background-color: __background_alt__;
+    color: __text__;
+    text-decoration: none;
+}

lib/tpl/default/style.ini

@@ -16,6 +16,7 @@ _admin.css        = screen
 _linkwiz.css      = screen
 _subscription.css = screen
 mediamanager.css  = screen
+_tabs.css         = screen
 _fileuploader.css = screen
 
 rtl.css        = rtl