nav.main_menu > ul > li > a 
{
  font-size:14px;
}


body
{
  font-size:14px;
}
h2
{
  margin-bottom: 20px;
}
h4
{
  margin-top:20px;
  margin-bottom:10px;
  color:#4a63bf;
  font-weight:bold;
}