added vertical spacing

wrapped issued certificates section with p tags to add some vertical
spacing

changes after feedback from frances

indent code

lms/templates/instructor/instructor_dashboard_2/data_download.html

@@ -54,10 +54,10 @@
 
     <div class="issued_certificates">
       <p>${_("Click to list certificates that are issued for this course:")}</p>
-      <span>
+      <p>
         <input type="button" name="issued-certificates-list" value="${_("View Certificates Issued")}" data-csv="false" data-endpoint="${ section_data['get_issued_certificates_url'] }">
         <input type="button" name="issued-certificates-csv" value="${_("Download CSV of Certificates Issued")}" data-csv="true" data-endpoint="${ section_data['get_issued_certificates_url'] }">
-      </span>
+      </p>
       <div class="data-display-table certificate-data-display-table" id="data-issued-certificates-table"></div>
       <div class="issued-certificates-error request-response-error msg msg-error copy"></div>
     </div>