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