body{
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}


header {
  background-color: #f5f5f5;
  padding: 20px;
  text-align: center;
}

h1 {
  font-size: 24px;
  color: #333;
}


article {
   max-width: 80%;
  position: absolute;
  right: 0;
  top: 100px;
}


img {
  max-width: 60%;
  position: absolute;
  left: 0;
  top: 100px;
}

aside {
  background-color: #f5f5f5;
  padding: 20px;
  width: 200px;
  position: absolute;
  right: 0;
  top: 100px;
}



li {
  margin-bottom: 10px;
  font-weight: bold;
}


li a:hover {
  text-decoration: underline;
}