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