body {
    margin: 10px 20px 10px 20px
       }
a {
   text-decoration: none;
   outline: none;
   color: #0000FF;
   }
a:hover {
   color: #FF0000;
   }
h1, h2, h3 {
   color: #800000;
   }
 
h1, h2, h3, h4  {
  line-height: 1.5;
  font-weight: 500;
  font-style: normal;
  letter-spacing: normal;
  text-decoration-style: initial; 
  text-decoration-color: initial;
	}    
     
h1 {
  font-size: 1.5em;
  margin: 20px 0px 20px 0;  
  }
h2 {
  font-size: 1.4em;
  margin: 30px 0px 20px 0;
  }
h3 {
  font-size: 1.3em;
  margin: 40px 0px 10px 0;
  }
h4 {
  font-size: 1.2em;
  margin: 10px 0px 20px 0;  
  }