.fluid-span-1{width:15%}.fluid-span-2{width:32%}.fluid-span-3{width:49%}.fluid-span-4{width:66%}.fluid-span-5{width:83%}.fluid-span-6{width:100%}.fluid-offset-1{margin-left:17%}.fluid-offset-2{margin-left:34%}.fluid-offset-3{margin-left:51%}.fluid-offset-4{margin-left:68%}.fluid-offset-5{margin-left:85%}