rofi: format error message same as message

README.md

@@ -42,4 +42,5 @@ HEAD (`dunst` and `polybar`) to get access to some features.
 
 ## Interesting links
 
+ - [/r/unixporn on reddit](https://www.reddit.com/r/unixporn/search?q=i3&restrict_sr=1)
  - [Hacking i3: Automatic Layout](https://aduros.com/blog/hacking-i3-automatic-layout/)

dotfiles/rofi.conf

@@ -88,13 +88,17 @@ element active, element selected active {
     text-color: @purple;
 }
 
-message {
+message, error-message {
     padding: 5px;
-    border-radius: 3px;
+    border-radius: 5px;
     background-color: @emphasis;
     border: 1px;
     border-color: @cyan;
 }
+error-message {
+    border-color: @red;
+    padding: 20px;
+}
 mode-switcher {
     margin: 20px 0 0 0;
 }