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