wip: 🚧 test instructions in dropdown

sections/guided_mode/guided_curate_dataset.html

@@ -1329,21 +1329,22 @@ <h2 class="guided--text-user-directions">
               </div>
             </div>
             <div class="guided--section" id="guided-section-spreadsheet-import">
-              <p class="help-text text-left">
-                Refer to the image below for an example of how to structure your
-                <span class="sub-pool-sample-structure-description-text"></span> spreadsheet. Then
-                follow the instructions below to fill out and import the spreadsheet into SODA.
-              </p>
               <div class="sub-section mb-3" id="import-instructions-subjects">
-                <img
-                  class="mb-3"
-                  style="width: 90%"
-                  src="assets/img/subjects-spreadseet-example.png"
-                />
-                <p class="help-text text-left w-100">
-                  <b>Subject ID column: </b> Type each subject's name here, starting with 'sub-'.
-                  Avoid using special characters or spaces.
-                </p>
+                <div class="info-dropdown" style="align-self: center">
+                  <p class="info-dropdown-text" data-dropdown-type="info">How do I</p>
+                  <i class="fas fa-chevron-right"></i>
+                </div>
+                <div class="info-container">
+                  <img
+                    class="mb-3"
+                    style="width: 90%"
+                    src="assets/img/subjects-spreadseet-example.png"
+                  />
+                  <p class="help-text text-left w-100">
+                    <b>Subject ID column: </b> Type each subject's name here, starting with 'sub-'.
+                    Avoid using special characters or spaces.
+                  </p>
+                </div>
               </div>
               <div class="sub-section mb-3" id="import-instructions-subjects-pools">
                 <img