.fluid-span-1{width:23.5%}.fluid-span-2{width:49%}.fluid-span-3{width:74.5%}.fluid-span-4{width:100%}.fluid-offset-1{margin-left:25.5%}.fluid-offset-2{margin-left:51%}.fluid-offset-3{margin-left:76.5%}@media(max-width:490px){.fluid-span-1{width:100%}}