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