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