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