set widths on table cells

app/assets/stylesheets/mobile/topic-list.scss

@@ -110,6 +110,29 @@
 
 // Category list
 // --------------------------------------------------
+.categories-list .list-container {
+  margin-left: -10px; // Extend past the .wrap padding to the edge of the window
+}
+
+.category-list-item.category {
+  // Allow percentage widths on table cells to include their padding
+  box-sizing: border-box;
+  *, *:before, *:after {
+    box-sizing: inherit;
+  }
+
+  .main-link {
+    width: 80%;
+  }
+
+  .posts {
+    width: 10%;
+  }
+
+  .age {
+    width: 10%;
+  }
+}
 
 tr.category-topic-link {
   border-top: darken($secondary, 3%) 1px solid;