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