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