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