message: Set the background of the composition textarea to the cursor colour.
diff: }
  .ace_text-input.ace_composition {
  - background: inherit;
  - color: inherit;
  + color: $terminal-cursor-foreground-color;
  + background: $terminal-cursor-background-color;
  z-index: 1000;
  opacity: 1;
  text-indent: 0;
  