Small fixes

skins/elastic/styles.css

@@ -167,6 +167,7 @@ body > #layout > div > .header > a.menu-button {
 	body > #layout > div.menu {
 		display: flex;
 	}
+	body > #layout > div.sidebar,
 	body > #layout > div.list {
 		max-width: 100%;
 	}
@@ -238,7 +239,7 @@ body > #layout > div > .header > a.menu-button {
 
 #login-form {
 	margin: auto;
-	width: 100%;
+	width: 95%;
 	max-width: 320px;
 }
 
@@ -248,7 +249,6 @@ body > #layout > div > .header > a.menu-button {
 
 #login-form div.ui.input {
 	width: 100%;
-	max-width: 310px;
 	margin-bottom: 1em;
 }
 
@@ -288,6 +288,10 @@ body.iframe .formbuttons {
 	color: #94c0da;
 }
 
+#messagestack div i.icon {
+	font-size: 2em !important;
+}
+
 #messagestack div a:hover {
 	text-decoration: underline;
 	cursor: pointer;

skins/elastic/ui.js

@@ -144,8 +144,11 @@ function rcube_elastic_ui()
     });
 
     if (form_buttons.length) {
-        if (rcmail.is_framed())
-            parent.UI.register_frame_buttons(form_buttons);
+        if (rcmail.is_framed()) {
+            if (parent.UI) {
+                parent.UI.register_frame_buttons(form_buttons);
+            }
+        }
         else
             register_frame_buttons(form_buttons);
     }