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