changes to design/css (header, animations, text styling)

_includes/index/data-download.html

@@ -13,7 +13,6 @@
 {%- assign stubs = site.data.config-nav | map: 'stub' | join: ';' -%}
 <div class="card mb-3">
     <div class="card-body">
-        <{{ include.heading_level | default: 'h2' | strip }} class="card-title h5">Collection as Data</{{ include.heading_level | default: 'h2' | strip }}>
         <p><small>Download this collection's metadata in a variety of reusable formats.</small></p>
         <p class="card-text text-center">
             <a class="btn btn-sm btn-secondary m-1" href="{{ '/assets/data/metadata.csv' | relative_url }}" download>Metadata CSV</a>