.ReactCodeMirror flex: 1 position: relative overflow: hidden .cm-s-vjcm position: absolute left: 0 top: 0 width: 100% height: 100% font-family: $code-font-family font-size: rem($font-size-secondary) line-height: 1.2 &.CodeMirror-focused .CodeMirror-selected background: #cee4f2 .CodeMirror-gutters border-right: 0 background: none .CodeMirror-linenumber color: #DDD