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