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