.container-sm{max-width:960px}.container-sm,.container-xs{margin-left:auto;margin-right:auto;width:100%}.container-xs{max-width:720px}@keyframes fade{0%{opacity:0}to{opacity:1}}.fadeIn{animation:fade .3s ease-in-out}.fadeInFast{animation:fade .2s ease-in-out}