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