ter;
        color: #999;
      }

      .color .prop {
        width: 60%;
        display: flex;
      }

      .color input[type='range'] {
        width: 70%;
      }
    </style>
  </head>
  <body>
    <div class="root">
      <div class="color rgb">
        <label class="prop">
          <input type="range" name="r" min="0" max="255" value="0" />
          R
          <span class="result"></span>
        </label>
        <label class="prop">
          <input type="range" name="g" min="0" max="255" val