title: how to change the color of command with oh_my_zsh's theme?
body: <p>My problem is:</p>
  <p>I can not see the command clearly.</p>
  <p>I want to change its color to improve contrast.
  I can not distinguish it easily now</p>
  <h2><a href="https://i.stack.imgur.com/bjfDE.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/bjfDE.jpg" alt="enter image description here" /></a></h2>
  <p><code>Environment:</code></p>
  <p><code>terminal-emulator: xfce4-terminal</code></p>
  <p><code>system:ubuntu20.04</code></p>
  <p><code>zsh-version:5.8-3ubuntu1(focal)</code></p>
  <p>~/.oh-my-zsh/custom/themes/bullet-train.zsh-theme is:</p>
  <p><a href="https://paste.ubuntu.com/p/BpYPJtW2wg/" rel="nofollow noreferrer">bullet-train.zsh-theme</a></p>
  <hr />
  <p>Did I check the settings in <code>~/.oh-my-zsh/custom/themes/bullet-train.zsh-theme</code>?</p>
  <p>Yes,I searched the keyword <code>blue</code> in above theme file.</p>
  <p>but no setting is relevant to command.</p>
  <hr />
  <p>Did I check the settings of xfce4-terminal?</p>
  <p>Yes!
  But no settings work.</p>
  <p><a href="https://i.stack.imgur.com/570IZ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/570IZ.png" alt="enter image description here" /></a></p>
  <hr />