update padding body

app/Resources/public/css/themes/rainbow/editor.css

@@ -9,8 +9,8 @@
     Version: 1.0
 */
 
-@import url(../assets/fontawesome/css/font-awesome.min.css);
-@import url(../assets/bootstrap/dist/css/bootstrap.min.css);
+/* @import url(../assets/fontawesome/css/font-awesome.min.css);
+@import url(../assets/bootstrap/dist/css/bootstrap.min.css); */
 
 @font-face {
   font-family: 'Open Sans';

app/Resources/public/css/themes/rainbow/editor_content.css

@@ -1,7 +1,9 @@
 /*
 Stylesheet for HTML blocks created with CKEditor to embed in Chamilo pages.
 */
-
+body{
+    padding: 1em;
+}
 /* Hack for show Bootstrap alerts in CKEditor' style select */
 .cke_panel_listItem a > :first-child {
     margin-bottom: 0;