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