h1,h2,h3,h4,h5,h6 {
    font-weight:normal;
    margin: 0 0 0.25em 0;
  }

h1  { font-size: 1.5em; margin-top: 10px; line-height:150%;}
h2 { font-size: 1.5em; margin-top: 20px; line-height:150%;}
h3 { font-size: 1.4em; }
h4 {  font-size: 1.3em; margin: 40px 0 0 0; border-bottom: 1px solid red; }
h5,h6 {  font-size: 1.3em; padding: 25px 0 5px 0; margin: 0; clear:both; border-bottom: 1px solid red; }