diff --git a/TestON/TAI/src/EditorScripts/simple-hint.css b/TestON/TAI/src/EditorScripts/simple-hint.css
new file mode 100644
index 0000000..7bc8689
--- /dev/null
+++ b/TestON/TAI/src/EditorScripts/simple-hint.css
@@ -0,0 +1,17 @@
+.CodeMirror-completions {
+  position: absolute;
+  z-index: 10;
+  overflow: hidden;
+  -webkit-box-shadow: 2px 3px 5px rgba(0,0,0,.2);
+  -moz-box-shadow: 2px 3px 5px rgba(0,0,0,.2);
+  box-shadow: 2px 3px 5px rgba(0,0,0,.2);
+}
+.CodeMirror-completions select {
+  background: #fafafa;
+  outline: none;
+  border: none;
+  padding: 0;
+  margin: 0;
+  font-family: monospace;
+}
+