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