diff --git a/packages/iios-messaging-ui/insignia-iios-messaging-ui-0.1.0.tgz b/packages/iios-messaging-ui/insignia-iios-messaging-ui-0.1.0.tgz
index c316427..1958cab 100644
Binary files a/packages/iios-messaging-ui/insignia-iios-messaging-ui-0.1.0.tgz and b/packages/iios-messaging-ui/insignia-iios-messaging-ui-0.1.0.tgz differ
diff --git a/packages/iios-messaging-ui/src/styles.css b/packages/iios-messaging-ui/src/styles.css
index 43c8a81..c7b01c2 100644
--- a/packages/iios-messaging-ui/src/styles.css
+++ b/packages/iios-messaging-ui/src/styles.css
@@ -506,6 +506,12 @@
   flex-direction: column;
   gap: 10px;
 }
+/* Submit buttons in the stacked create/compose forms size to content, not full width. */
+.miu-newconv .miu-send,
+.miu-channel-create .miu-send {
+  align-self: flex-start;
+  height: 38px;
+}
 .miu-person-row {
   display: flex;
   align-items: center;