Improve style of wiki page lists

app/assets/stylesheets/pages/wiki.scss

@@ -130,6 +130,10 @@
     margin: 5px 0 10px;
   }
+  ul.wiki-pages ul {
+    padding-left: 15px;
+  }
+
   .wiki-sidebar-header {
     padding: 0 $gl-padding $gl-padding;
@@ -138,3 +142,15 @@
     }
   }
 }
+
+ul.wiki-pages-list.content-list {
+  & ul {
+    list-style: none;
+    margin-left: 0;
+    padding-left: 15px;
+  }
+
+  & ul li {
+    padding: 5px 0;
+  }
+}

app/views/projects/wikis/pages.html.haml

@@ -13,7 +13,7 @@
         = icon('cloud-download')
         Clone repository
-  %ul.content-list
+  %ul.wiki-pages-list.content-list
     - @wiki_directories.each do |wiki_directory, wiki_pages|
       - if wiki_directory == '/'
         = render 'wiki_pages', wiki_pages: wiki_pages