diff --git a/app/static/css/style.css b/app/static/css/style.css
index f5663a1..ac8cb2c 100644
--- a/app/static/css/style.css
+++ b/app/static/css/style.css
@@ -234,6 +234,7 @@ main {
     .header-actions { width: 100%; justify-content: flex-start; }
     .header-actions > a { flex: 1 1 auto; text-align: center; }
     .header-actions .user-menu { margin-left: 0; }
+    .header-actions .user-menu-panel { left: 0; right: auto; max-width: calc(100vw - 30px); }
 }
 form {
     max-width: 650px;