fix: normalize card height (#115)

Author: andrewseguin

material.angular.io/src/app/pages/component-category-list/component-category-list.scss

@@ -16,6 +16,10 @@
   margin: 20px;
   vertical-align: top;
   cursor: pointer;
+
+  .mat-card-title {
+    font-size: 20px;
+  }
 }
 
 .docs-component-category-list-card-image {