body{
  margin: 0;
}
  a {
    color:black;
  }
  h1 {
    font-size: 45px;
    text-align: center;
    border-bottom: 1px solid gray;
    margin: 0;
    padding: 20px;
  }
  ol{
    border-right:1px solid gray;
    width: 250px;
    margin: 0;
    padding: 20px;
  }
  #grid{
    display: grid;
    grid-template-columns: 350px 1fr;
  }
  #grid ol{
    padding-left: 33px;
  }
  #grid #article{
    padding-left: 15px;
  }
  @media(max-width:800px){
    #grid{
      display: block;
    }
    ol{
      border-right:none;
    }
    h1 {
      border-bottom: none;
    }
  }