.fading-border{-o-border-image:linear-gradient(#fff,#000) 70;border-image:linear-gradient(#fff,#000) 70;border-style:solid;border-width:1px}.bg-image{animation:smoothFade 2s ease-in-out}@keyframes smoothFade{0%{opacity:0}50%{opacity:0}to{opacity:1}}