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