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