Fix terminal z-index relative to code editor gutter

css/ivprog-term.css

@@ -5,6 +5,10 @@
   overflow-y: scroll;
 }
 
+#ivprog-term-div {
+  z-index: 10;
+}
+
 .ivprog-term-userText, .ivprog-term-userInput {
   color: white;
 }