body {
  	background-image: url(https://abrakadabra.fun/uploads/posts/2022-02/1644176253_1-abrakadabra-fun-p-povtoryayushchiisya-fon-dlya-saita-1.jpg);
    margin: 0;
    font-family: Arial, sans-serif;
    font-size: 18px;
    line-height: 1.5;
  }
  
  header {
    background-color: darkcyan;
    color: ##FF69B4;
    padding: 10px;
  }
  
  nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
  }
  
  nav ul li {
    margin-right: 10px;
  }
  
  nav ul li:last-child {
    margin-right: 0;
  }
  
  nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
  }
  
  main {
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
  }
  
  h1 {
    font-size: 36px;
    text-align: center;
  }
  
  button {
    display: block;
    margin: 0 auto;
    padding: 10px 20px;
    background-color: #333;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #555;
  }
  
  footer {
    background-color: darkcyan;
    color: #fff;
    padding: 10px;
    text-align: center;
  }