h1 {color:blue;
  background-color: black;
  margin: 20px 30px 15px 30px;
  border: solid green 5px;
}

body {
  background-color: red;
}

div {
  background-color: black;
  width: 300px;
  margin: 20px 0px 15px 20px;
  padding-left: 20px;
  padding-top: 5px;
  padding-bottom: 5px;
  border: solid green 5px;
}