<p style="margin:0px;font-size:16px;line-height:24px;padding-bottom:2.48em;font-family:Karla, sans-serif;letter-spacing:1px;background-color:#ffffff;text-align:justify;">Design principles are widely applicable laws, guidelines, biases and design considerations which designers apply with discretion. Professionals from many disciplines — e.g., behavioral science, sociology, physics and ergonomics...