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