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