Element block pseudo-element :after generated with z-index auto position static background padding 20px border 0px rgba(0,0,0,1) solid margin 0px font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none text-shadow 1px 1px 0px rgba(0,0,0,0.25) cursor default display block overflow hidden box-sizing content-box border-radius font-weight normal line-height 1 width 160px transform transition height auto