.bg-cv{background-size:cover}.bg-cn{background-size:contain}.bg-quarter{background-size:25%}.bg-half{background-size:50%}.bg-three-quarters{background-size:75%}.bg-full{background-size:100%}.bg-auto{background-size:auto}@media screen and (min-width:48em){.bg-cv-ns{background-size:cover}.bg-cn-ns{background-size:contain}.bg-quarter-ns{background-size:25%}.bg-half-ns{background-size:50%}.bg-three-quarters-ns{background-size:75%}.bg-full-ns{background-size:100%}.bg-auto-ns{background-size:auto}}@media screen and (min-width:48em) and (max-width:64em){.bg-cv-m{background-size:cover}.bg-cn-m{background-size:contain}.bg-quarter-m{background-size:25%}.bg-half-m{background-size:50%}.bg-three-quarters-m{background-size:75%}.bg-full-m{background-size:100%}.bg-auto-m{background-size:auto}}@media screen and (min-width:64em){.bg-cv-l{background-size:cover}.bg-cn-l{background-size:contain}.bg-quarter-l{background-size:25%}.bg-half-l{background-size:50%}.bg-three-quarters-l{background-size:75%}.bg-full-l{background-size:100%}.bg-auto-l{background-size:auto}}