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