h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal;
  }
  
  ul, li, ol {
    list-style: none;
  }
  body {
    line-height: 1;
  }
  
  img, video {
    vertical-align: top;
  }
  
  * {
    margin: 0;
    padding: 0;
  }
  
  a {
    text-decoration: none;
  }