body { background-color: lightpink;
 	font-family: sans-serif;} 

  h1 {  font-family: Helvetica, Geneva, Arial; 
  background-color:deeppink; } 
  h2 { font-family: Helvetica, Geneva, Arial; 
     background-color: hotpink;
    }
 video { width:500px; height:400px; }
 iframe { width:500px; height:400px; }