html, body, #app { height: 100%; margin: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }

/* CodeMirror should fill its column and scroll internally. */
.cm-editor { height: 100%; }
.cm-scroller { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.cm-editor.cm-focused { outline: none; }
.cm-gutters { background: #fafafa; border-right: 1px solid #eee; }