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