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