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