.blog-post h2{
  font-size: 40px; 
margin: 20px 0 0;
} 

 .blog-post h3{
  font-size: 32px; 
margin: 20px 0 0;
} 

 .blog-post h4{
  font-size: 25px; 
  margin: 0 0 0px;
}