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