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