selector{
  propetry: value;
}	
h1 {color:blue;}
h2 {color:green;}
p{
  color:black;
  font-size: 15px;
  text-decoration: none;
}
body {
  background: radial-gradient(at top left, #ffffff, #b0d7fc);
}
#shape {
  width: 400px;
  height:200px;
  background-color: #231209;
  border: 25px solid transparent;
}