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