Element block pseudo-element :after generated with box-shadow 1px 1px 1px rgba(220,220,220,0.7) z-index auto box-sizing content-box border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 20px font-size 16px width 160px margin 0px transition border 0px rgba(0,0,0,1) solid line-height 1 font-weight normal cursor default display block float none overflow hidden position static transform height auto background