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