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