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