css: Add padding to form messages

css/converse.css

@@ -1336,6 +1336,9 @@
   #converse-embedded-chat .activated,
   #conversejs .activated {
     display: block !important; }
+  #converse-embedded-chat .pure-form-message,
+  #conversejs .pure-form-message {
+    padding: 0.5em 0; }
   #converse-embedded-chat .pure-button,
   #conversejs .pure-button {
     border-radius: 4px; }

css/inverse.css

@@ -1336,6 +1336,9 @@
   #converse-embedded-chat .activated,
   #conversejs .activated {
     display: block !important; }
+  #converse-embedded-chat .pure-form-message,
+  #conversejs .pure-form-message {
+    padding: 0.5em 0; }
   #converse-embedded-chat .pure-button,
   #conversejs .pure-button {
     border-radius: 7px; }

sass/_core.scss

@@ -169,6 +169,9 @@
     .activated {
         display: block !important;
     }
+    .pure-form-message {
+        padding: 0.5em 0;
+    }
     .pure-button {
         border-radius: $chatbox-border-radius;
     }