css-gradient-anim.css

background: linear-gradient(213deg, #d3b7d5, #d5b7b7, #d5cfb7, #bbe1de, #ddb9c0, #c5c5c5);
background-size: 1200% 1200%;
-webkit-animation: GradientBackgroundAnimation 60s ease infinite;
-moz-animation: GradientBackgroundAnimation 60s ease infinite;
-o-animation: GradientBackgroundAnimation 60s ease infinite;
animation: GradientBackgroundAnimation 60s ease infinite;
@-webkit-keyframes GradientBackgroundAnimation {
    0%{background-position:50% 0%}
    50%{background-position:50% 100%}
    100%{background-position:50% 0%}
}
@-moz-keyframes GradientBackgroundAnimation {
    0%{background-position:50% 0%}
    50%{background-position:50% 100%}
    100%{background-position:50% 0%}
}
@-o-keyframes GradientBackgroundAnimation {
    0%{background-position:50% 0%}
    50%{background-position:50% 100%}
    100%{background-position:50% 0%}
}
@keyframes GradientBackgroundAnimation {
    0%{background-position:50% 0%}
    50%{background-position:50% 100%}
    100%{background-position:50% 0%}
}