.CodeMirror { -webkit-user-select: none; -khtml-user-select: none; -moz-user-select: none; -o-user-select: none; user-select: none; height: 100%; } .CodeMirror-hint { max-width: 38em; } .CodeMirror-vertical-ruler-error { background-color: rgba(188, 0, 0, 0.5); } .CodeMirror-vertical-ruler-warning { background-color: rgba(255, 188, 0, 0.5); } .CodeMirror-lint-tooltip { z-index: 2000; }