Animated Floating Icon

Set CSS Classes = arrow-down

body {
     overflow-x:hidden;
} 
.arrow-down {
     animation: wave 3s cubic-bezier( 0.36, 0.45, 0.63, 0.53) infinite;
 } 
@keyframes wave {
   0% {
     margin-top: 0;
   }
     50% {
     margin-top: 50px;
   }
   100% {
     margin-left: 0px;
   }
 }