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