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