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