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