动态渐变彩色文字代码

<div class="wrap">这里输入文字</div>

@keyframes move {
0% {background-position: 0 0;}
100% {
/*宽度固定，如果为百分比背景不会滚动*/
 background-position: -300px 0;
 }
}    
.wrap {
/*设置背景渐变色*/
  background-image: linear-gradient(to right, red, orange, yellow, green, yellow, orange, red, orange, yellow, green, yellow, orange, red);      
/*chrome私有样式，加前缀，文字显示背景图片*/
-webkit-background-clip: text;      
animation: move 5s infinite;      
/*文字颜色设为透明*/
color: transparent;      
/*宽度固定*/
width: 300px;}