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