permits a number of possible uses and each designer can look for a solution appropiate to his personal style. But one must learn how to use the grid; it is an art that requires practice. Josef Müller Brockmann artofthegrid.com/quotes.html
@media only screen and (min-width: 480px) and (max-width: 767px) {} Tablet Portrait @media only screen and (min-width: 768px) and (max-width: 980px) {}
Endgerät/Auflösung) alle weiteren Schriftgrößen/Zeilenhöhen relativ zur Base mittels "em" http://compass-style.org/reference/compass/typography/ vertical_rhythm/