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