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