diff --git a/demo/theme.html b/demo/theme.html
index 93d52510fb7d44c3369097592c342f5e8e30108d..3c6b1c07de25bf15874aa872b390471a81aaa1e9 100644
--- a/demo/theme.html
+++ b/demo/theme.html
@@ -7,6 +7,7 @@
 <link rel="stylesheet" href="../lib/codemirror.css">
 <link rel="stylesheet" href="../theme/3024-day.css">
 <link rel="stylesheet" href="../theme/3024-night.css">
+<link rel="stylesheet" href="../theme/abcdef.css">
 <link rel="stylesheet" href="../theme/ambiance.css">
 <link rel="stylesheet" href="../theme/base16-dark.css">
 <link rel="stylesheet" href="../theme/base16-light.css">
@@ -84,6 +85,7 @@ function findSequence(goal) {
     <option selected>default</option>
     <option>3024-day</option>
     <option>3024-night</option>
+    <option>abcdef</option>
     <option>ambiance</option>
     <option>base16-dark</option>
     <option>base16-light</option>
diff --git a/theme/abcdef.css b/theme/abcdef.css
index ee17760d1c03391dc85650457513474a83bff68b..142d8137034ba9ffb81891d507c263975f741e4f 100644
--- a/theme/abcdef.css
+++ b/theme/abcdef.css
@@ -6,7 +6,7 @@
 .cm-s-abcdef .CodeMirror-guttermarker { color: #222; }
 .cm-s-abcdef .CodeMirror-guttermarker-subtle { color: azure; }
 .cm-s-abcdef .CodeMirror-linenumber { color: #FFFFFF; }
-.cm-s-abcdef .CodeMirror-cursor { border-left: 1px solid #00FF00 !important; }
+.cm-s-abcdef .CodeMirror-cursor { border-left: 1px solid #00FF00; }
 
 .cm-s-abcdef span.cm-keyword { color: darkgoldenrod; font-weight: bold; }
 .cm-s-abcdef span.cm-atom { color: #77F; }