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