@charset"UTF-8";
    body {
    padding-top: 180px;
    background-color: yellow;
    color: purple;
    }
    header {
      text-align: left;
      background-color: pink;
      color: purple;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
    }
    h1 {
      line-height: 2;
    }
    input:checked + label {
        color: yellow;
    }