@keyframes bg-auth{0%{background-image:url(/assets/images/bg/bg-tp-1.png)}49%{background-image:url(/assets/images/bg/bg-tp-1.png)}50%{background-image:url(/assets/images/bg/bg-tp-2.png)}99%{background-image:url(/assets/images/bg/bg-tp-2.png)}to{background-image:url(/assets/images/bg/bg-tp-1.png)}}