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