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