#pwd-gen {
    margin: 1em 0;
    padding: 1em;
    border: 1px solid #bbb;
    border-radius: 4px;
    max-width: 400px;
  }
  
  #pwd-gen label {
    display: block;
    margin: 0.5em 0;
  }
  
  #pwd-gen input[type="number"] {
    width: 4em;
    margin-left: 0.5em;
  }
  
  #pwd-gen input[type="checkbox"] {
    margin-right: 0.5em;
  }
  
  #pwd-gen button {
    margin-top: 0.5em;
    padding: 0.5em 1em;
  }
  
  #pwd-result {
    margin-top: 1em;
  }
  
  #pwd-result.hidden {
    display: none;
  }
  
  #pwd-output {
    width: calc(100% - 60px);
    padding: 0.5em;
    margin-right: 0.5em;
  }
  
  #copy-btn {
    padding: 0.5em 1em;
  }