diff --git a/custom.css b/custom.css
index 8346789..d2a8678 100644
--- a/custom.css
+++ b/custom.css
@@ -391,4 +391,15 @@ div.CodeMirror-selected {background: rgba(221, 240, 255, 0.19) !important;}
 
 .cm-s-default span.cm-header {color: #CF4A4C;}
 .cm-s-default span.cm-variable-2 {color: #7587A6;}
-.cm-s-default span.cm-comment {color: #7F7A80;}
\ No newline at end of file
+.cm-s-default span.cm-comment {color: #7F7A80;}
+
+/*
+  lambdalisue/jupyter-vim-binding support
+*/
+
+.edit_mode .cell.selected .CodeMirror.CodeMirror-focused.cm-fat-cursor {
+  background-color: #141414;
+}
+.edit_mode .cell.selected .CodeMirror.CodeMirror-focused:not(.cm-fat-cursor) {
+  background-color: #424242;
+}