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