Fixed Firefox rendering issue

frontend/delta/css/clipperz.css

@@ -693,6 +693,8 @@ input[type=text] {
 /* Firefox considers 100% respect to height of the whole window, this is rule is necessary to eliminate the card toolbar offset. */
 @-moz-document url-prefix() {
   #mainPanel.extra-wide .subpanel.cardContent {
+    height: calc(100% - 50px); }
+  #mainPanel.wide .cardContent {
     height: calc(100% - 50px); } }
 #mainPanel {
   left: 0px; }