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