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