Element block pseudo-element :before generated with width 160px overflow hidden cursor default font-weight normal font-size 16px box-sizing content-box border-radius line-height 1 border 0px rgba(0,0,0,1) solid box-shadow 1px 2px 2px rgba(0,0,0,0.3) margin 0px transition background display block float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto position static z-index auto padding 20px transform