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