Typo3v8compatibility

Classes/Form/Element/RichTextElement.php

@@ -352,7 +352,7 @@ class RichTextElement extends AbstractFormElement {
 		$result = array();
 		// next line is required to fix the scrolling toolbar elements in the tinymce
 		// also fixes the fullscreen dialog
-		$result[] = '<style>body{position:relative;}.mce-fullscreen{top: 65px;}</style>';
+		$result[] = '<style>body{position:relative;}div.mce-fullscreen{top: 65px;}</style>';
 
 		// The hidden field tells the DataHandler that processing should be done on this value.
 		$result[] = '<input type="hidden" name="' . htmlspecialchars($triggerFieldName) . '" value="RTE" />';