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