h1 { font-size: 31px; line-height: 36px; }
h2 { font-size: 22px; line-height: 26px; }
h3 {  font-size: 22px; line-height: 26px; }
h4 {  font-size: 22px; line-height: 26px; }
h5 {  font-size: 17px; line-height: 20px; }
h6 {  font-size: 17px; line-height: 20px; }  

/* Portrait */
@media screen and (max-width: 320px)
{

}
 
/* Landscape */
@media screen and (min-width: 321px)
{

}