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