diff --git a/CodeMirror/theme/icecoder.css b/CodeMirror/theme/icecoder.css
index b6243e6..e8f95ef 100644
--- a/CodeMirror/theme/icecoder.css
+++ b/CodeMirror/theme/icecoder.css
@@ -40,4 +40,4 @@ ICEcoder default theme by Matt Pass, used in code editor available at https://ic
 .cm-s-icecoder .CodeMirror-gutters { background: #1d1d1b; min-width: 41px; border-right: 0; }
 .cm-s-icecoder .CodeMirror-linenumber { color: #555; cursor: default; }
 .cm-s-icecoder .CodeMirror-matchingbracket { color: #fff !important; background: #555 !important; }
-cm-s-icecoder .CodeMirror-activeline-background { background: #000; }
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+.cm-s-icecoder .CodeMirror-activeline-background { background: #000; }
\ No newline at end of file