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