waltzaround

background: linear-gradient(225deg, #ffffff, #f3f3f3, #dfdfdf, #c3c3c3, #a1a1a1, #565656, #616161, #4e4e4e, #c1c1c1, #414141);
background-size: 2000% 2000%;
-webkit-animation: AnimationName 0s ease infinite;
-moz-animation: AnimationName 0s ease infinite;
-o-animation: AnimationName 0s ease infinite;
animation: AnimationName 0s ease infinite;
@-webkit-keyframes AnimationName {
    0%{background-position:0% 94%}
    50%{background-position:100% 7%}
    100%{background-position:0% 94%}