Fixup the cgit pager, repo section header, and tabs display

src/less/cgit.less

@@ -22,6 +22,25 @@
   }
 }
 
+.pager {
+  .listless-list();
+
+  margin: 0;
+  padding: 0;
+  text-align: center;
+  padding-bottom: 5px;
+
+  li {
+    padding: 5px 10px;
+  }
+}
+
+.reposection {
+  text-align: center;
+  font-size: 1.4rem;
+  font-weight: bold;
+}
+
 .sub {
   &:extend(.subtitle);
 
@@ -31,6 +50,15 @@
 .tabs {
   width: 100%;
 
+  a {
+    padding: 5px 10px;
+    margin: 0;
+
+    &.active {
+      background-color: @dark-background-highlight;
+    }
+  }
+
   .form {
     width: 0;
     white-space: nowrap;

src/less/include/components.less

@@ -24,6 +24,14 @@
   margin: 0;
 }
 
+.listless-list {
+  list-style-type: none;
+
+  li {
+    display: inline;
+  }
+}
+
 .subtitle {
   font-size: 0.9rem;
   margin: 0;