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