style.styl

/**
  - Create responsive font-size;

  min = minimal font size
  max = maximal font size
  min_view = minimal view width
  max_view = maximal view width
 */
responsive-font(min, max, min_view, max_view)
  font-size: "calc(%spx + (%s - %s) * ((100vw - %spx) / (%s - %s)))" % (min max min min_view max_view min_view)
  
// example
.some_element
  responsive-font(16, 22, 320, 768)