#main {
    /* variables */
    --content-background: hsl(1, 40%, 96%);
    --contrast-background: hsl(1, 40%, 87%);
    
    margin: 10px;
    background-color: var(--content-background, gray);
    display: flex;
    flex-direction: column;
  }
  
  header {
    background-color: var(--contrast-background, gray);
    border-radius: 10px;
  }
  
  h1 {
    margin-top: 10px;
  }
  
  #title {
    text-align: center;
    padding: 10px;
  }
  
  main {
    background-color: var(--content-background, gray);
  }
  
  #main-content {
    max-width: 600px;
    margin: auto;
  }
  
  footer {
    padding-top: 20px;
    padding-bottom: 20px;
    text-align: center;
    background-color: var(--contrast-background, gray);
    border-radius: 10px;
  }
  
  #footer-content {
    margin: auto;
    max-width: 800px;
    text-align: center;
  }
  
  .text-content {
    text-align: justify;
  }
  
  li {
    margin-top: 10px;
  }
  
  #image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: auto;
  }
  
  time {
    font-weight: bold;
  }
  
  #img-caption {
    text-align: center;
    font-size: 15px;
  }
  
  #tribute-link:hover {
    color: hsl(220, 88%, 60%);
  }
  
  #tribute-link {
    color: hsl(220, 57%, 42%);
  }