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