Makes the new thread stuff be collapsed by default and you have to click on [New Thread] for it to expand

stylesheets/style.css

@@ -80,7 +80,7 @@ header div.subtitle {
 }
 
 form {
-  margin-bottom: 4em;
+  margin-bottom: 3em;
 }
 
 form table {
@@ -1217,3 +1217,28 @@ table.fileboard .intro a {
 div.mix {
 	display: inline-block;
 }
+
+/* Collapsed post area */
+#PostAreaToggle + span {
+	font-size: 22px;
+	font-weight: bold;
+}
+#PostAreaToggle + span > a > label {
+	cursor: pointer;
+}
+#PostAreaToggle + span + div {
+	display: none;
+}
+#PostAreaToggle:checked + span {
+	display: none;
+}
+#PostAreaToggle:checked + span + div {
+	display: block;
+}
+form[name="post"] {
+  margin-bottom: 0em;
+  text-align: center;
+}
+form[name="post"] > div {
+	margin-bottom: 1em;
+}

templates/post_form.html

@@ -1,5 +1,10 @@
 <form name="post" onsubmit="return dopost(this);" enctype="multipart/form-data" action="{{ config.post_url }}" method="post">
 {{ antibot.html() }}
+{% if not id %}
+<input type="checkbox" id="PostAreaToggle" class="hidden"/>
+<span>[<a href="#" class="no-decoration" title="Start a new thread"><label for="PostAreaToggle">New Thread</label></a>]</span>
+{% endif %}
+<div>
 {% if id %}<input type="hidden" name="thread" value="{{ id }}">{% endif %}
 {{ antibot.html() }}
 <input type="hidden" name="board" value="{{ board.uri }}">
@@ -170,6 +175,7 @@
 	</table>
 {{ antibot.html(true) }}
 <input type="hidden" name="hash" value="{{ antibot.hash() }}">
+</div>
 </form>
 
 <script type="text/javascript">{% raw %}