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