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