Element block pseudo-class :active generated with margin 0px padding 20px position static font-size 16px cursor default transform box-sizing content-box overflow hidden border-radius background height auto display block line-height 1 border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-weight normal float none z-index auto width 160px