gistfile1.js

$(document).ready(function(){
  if ($('.resize-font').length) {
    $(window).resize(resize);
    resize();
  }
});

function resize() {
  // sizeCoefficient lets me decide how big the fonts are. 
  // 0.75 gives about 10 words per line, which is good design
  var sizeCoefficient = 0.75; 

  var newFontSize = Math.floor(sizeCoefficient * (0.0394 * $('.resize-font').width() + 0.2489))
  $('.resize-font').css('font-size', newFontSize)
}