html {

    font-size: 10px;
}
  
body {

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto',
      'Helvetica Neue', Arial, sans-serif;
    font-size: 1.6rem;
    line-height: 1.5;
    text-align: center;
    color: #333;
    margin: 0;
}
  
h1 {
    font-size: 4rem;
    margin-bottom: 0;
}
  
@media (max-width: 460px) {
    h1 {
      font-size: 3.5rem;
      line-height: 1.2;
    }
}
  
h2 {
    font-size: 3.25rem;
}
  
a {
    color: #477ca7;
}
  
a:visited {
    color: #74638f;
}
  
#main {
    margin: 30px 8px;
    padding: 15px;
    border-radius: 5px;
    background: #eee;
}
  
@media (max-width: 460px) {
    #main {
      margin: 0;
    }
}
  
img {
    max-width: 100%;
    display: block;
    height: auto;
    margin: 0 auto;
}
  
#img-div {
    background: white;
    padding: 10px;
    margin: 0;
}
  
#img-caption {
    margin: 15px 0 5px 0;
}
  
@media (max-width: 460px) {
    #img-caption {
      font-size: 1.4rem;
    }
}
  
#headline {
    margin: 50px 0;
    text-align: center;
}
  
ul {
    max-width: 550px;
    margin: 0 auto 50px auto;
    text-align: left;
    line-height: 1.6;
}
  
li {
    margin: 16px 0;
}