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