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