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