diff --git a/static/css/style.css b/static/css/style.css
index 9eaec2f..a7f3ef3 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -520,8 +520,33 @@ h1.identity small {
     color: var(--color-text-duller);
 }
 
+.post .summary {
+    margin: 12px 0 4px 64px;
+    padding: 3px 6px;
+    border-radius: 3px;
+    background: var(--color-bg-menu);
+    cursor: pointer;
+}
+
+.post .summary::before {
+    display: block;
+    font-weight: bold;
+    float: right;
+    content: "SHOW";
+    font-size: 80%;
+    padding: 2px 2px 2px 10px;
+}
+
+.post .summary.enabled::before {
+    content: "HIDE";
+}
+
 .post .content {
-    padding-left: 64px;
+    margin-left: 64px;
+}
+
+.post .content.hidden {
+    display: none;
 }
 
 .post .content p {
diff --git a/templates/activities/_post.html b/templates/activities/_post.html
index ac21c42..d05f7ad 100644
--- a/templates/activities/_post.html
+++ b/templates/activities/_post.html
@@ -22,7 +22,13 @@
         {{ post.author.name_or_handle }} <small>@{{ post.author.handle }}</small>
     </a>
 
-    <div class="content">
+    {% if post.summary %}
+        <div class="summary" _="on click toggle .enabled then  toggle .hidden on the next .content">
+            {{ post.summary }}
+        </div>
+    {% endif %}
+
+    <div class="content {% if post.summary %}hidden{% endif %}">
         {{ post.safe_content }}
     </div>