html {
    height: 100%;
  }
  body {
    width: 100%;
    /* background-image: url(sizes.jpeg); */
    background-position: center;
    background-repeat: no-repeat;
  }
  
  nav {
    margin-bottom: 50px;
  }
  
  #btn {
    padding: 15px;
  }
  
  hr {
    border-top: 1px solid #f8f8f8;
      border-bottom: 1px solid rgba(0,0,0,0.2);
    width: 25%;
    float: left;
  }
  
  h2 {
    font-weight: bold;
  }
  
  p {
    font-weight: bold;
    font-size: 20px;
    float: left;
  }