diff --git a/bookwyrm/templates/book.html b/bookwyrm/templates/book.html
index e12ba30d..be5f6397 100644
--- a/bookwyrm/templates/book.html
+++ b/bookwyrm/templates/book.html
@@ -148,25 +148,31 @@
             </div>
 
             {% if readthroughs.exists %}
-            <div>
-                <h2 class="title is-5">Your reading activity</h2>
-                {% for readthrough in readthroughs %}
-                    {% include 'snippets/readthrough.html' with readthrough=readthrough %}
-                {% endfor %}
-            </div>
-            {% endif %}
-            <div class="block">
-                {% include 'snippets/toggle/open_button.html' with text="Add read dates" controls_text="add-readthrough" %}
-                <div class="hidden box" id="add-readthrough">
+            <section class="block">
+                <header class="columns">
+                    <h2 class="column title is-5 mb-1">Your reading activity</h2>
+                    <div class="column is-narrow">
+                        {% include 'snippets/toggle/open_button.html' with text="Add read dates" icon="plus" class="is-small" controls_text="add-readthrough" %}
+                    </div>
+                </header>
+                <section class="hidden box" id="add-readthrough">
                     <form name="add-readthrough" action="/create-readthrough" method="post">
                         {% include 'snippets/readthrough_form.html' with readthrough=None %}
                         <div class="field is-grouped">
-                            <button class="button is-primary" type="submit">Create</button>
-                            {% include 'snippets/toggle/close_button.html' with text="Cancel" controls_text="add-readthrough" %}
+                            <div class="control">
+                                <button class="button is-primary" type="submit">Create</button>
+                            </div>
+                            <div class="control">
+                                {% include 'snippets/toggle/close_button.html' with text="Cancel" controls_text="add-readthrough" %}
+                            </div>
                         </div>
                     </form>
-                </div>
-            </div>
+                </section>
+                {% for readthrough in readthroughs %}
+                {% include 'snippets/readthrough.html' with readthrough=readthrough %}
+                {% endfor %}
+            </section>
+            {% endif %}
 
             {% if request.user.is_authenticated %}
             <div class="box">
diff --git a/bookwyrm/templates/snippets/readthrough.html b/bookwyrm/templates/snippets/readthrough.html
index 56c22a92..d684943e 100644
--- a/bookwyrm/templates/snippets/readthrough.html
+++ b/bookwyrm/templates/snippets/readthrough.html
@@ -1,5 +1,5 @@
 {% load humanize %}
-<div class="content block">
+<section class="content block">
     <div id="hide-edit-readthrough-{{ readthrough.id }}">
         <dl class="mb-1">
             {% if readthrough.start_date %}
@@ -34,5 +34,5 @@
             {% include 'snippets/toggle/close_button.html' with text="Cancel" controls_text="edit-readthrough" controls_uid=readthrough.id %}
         </div>
     </form>
-</div>
+</section>
 {% include 'snippets/delete_readthrough_modal.html' with controls_text="delete-readthrough" controls_uid=readthrough.id %}