"

From 2014.igem.org

/*Written by typecast blog at http://typecast.com/blog/a-more-modern-scale-for-web-typography*/

body {

 font-size: 100%;

}

body, caption, th, td, input, textarea, select, option, legend, fieldset, h1, h2, h3, h4, h5, h6 {

 font-size-adjust: 0.5;

}

1. page {

 font-size: 1em;
 /* equivalent to 16px */
 line-height: 1.25;
 /* equivalent to 20px */

}

@media (min-width: 43.75em) {

 #page {
   font-size: 1em;
   /* equivalent to 16px */
   line-height: 1.375;
   /* equivalent to 22px */
 }

}

h1 {

 font-size: 2em;
 /* 2x body copy size = 32px */
 line-height: 1.25;
 /* 45px / 36px */

}

@media (min-width: 43.75em) {

 h1 {
   font-size: 2.5em;
   /* 2.5x body copy size = 40px */
   line-height: 1.125;
 }

}

@media (min-width: 56.25em) {

 h1 {
   font-size: 3em;
   /* 3x body copy size = 48px */
   line-height: 1.05;
   /* keep to a multiple of the 20px line height and something more appropriate for display headings */
 }

}

h2 {

 font-size: 1.625em;
 /* 1.625x body copy size = 26px */
 line-height: 1.15384615;
 /* 30px / 26px */

}

@media (min-width: 43.75em) {

 h2 {
   font-size: 2em;
   /* 2x body copy size = 32px */
   line-height: 1.25;
 }

}

@media (min-width: 56.25em) {

 h2 {
   font-size: 2.25em;
   /* 2.25x body copy size = 36px */
   line-height: 1.25;
 }

}

h3 {

 font-size: 1.375em;
 /* 1.375x body copy size = 22px */
 line-height: 1.13636364;
 /* 25px / 22px */

}

@media (min-width: 43.75em) {

 h3 {
   font-size: 1.5em;
   /* 1.5x body copy size = 24px */
   line-height: 1.25;
 }

}

@media (min-width: 56.25em) {

 h3 {
   font-size: 1.75em;
   /* 1.75x body copy size = 28px */
   line-height: 1.25;
 }

}

h4 {

 font-size: 1.125em;
 /* 1.125x body copy size = 18px */
 line-height: 1.11111111;

}

@media (min-width: 43.75em) {

 h4 {
   line-height: 1.22222222;
   /* (22px / 18px */
 }

}

blockquote {

 font-size: 1.25em;
 /* 20px / 16px */
 line-height: 1.25;
 /* 25px / 20px */

}

@media (min-width: 43.75em) {

 blockquote {
   font-size: 1.5em;
   /* 24px / 16px = */
   line-height: 1.45833333;
   /* 35px / 24px */
 }

}