wip

- Post preview is wider when look at the list of posts
- Hide the topic navigation that is useless on mobile

mobile/mobile.scss

@@ -80,6 +80,10 @@ html body.staff:not(.navigation-topics) #main-outlet {
   margin-bottom: 0;
 }
 
+html body.navigation-category #main-outlet {
+  width: calc(100% - 1em);
+}
+
 .container.posts > .row {
   max-width: calc(100vw - 1.5em);
 }
@@ -135,6 +139,10 @@ ol.category-breadcrumb {
   max-width: unset;
 }
 
+.topic-list .topic-list-data .main-link {
+  width: 90%;
+}
+
 .custom-search-banner-wrap .search-context {
   top: 3em !important;
 }
@@ -256,6 +264,11 @@ ol.category-breadcrumb {
   color: var(--secondary);
 }
 
+// Hide the "4/7" topic navigation when on mobile since it's always stuck to the bottom anyway.
+.topic-navigation {
+  display: none !important;
+}
+
 // Footer
 .custom-footer {
     .list {