效果

代码

.item-heading :hover,
.text-ellipsis :hover,
.text-ellipsis-2 :hover,
.links-lists :hover {
 background-image: -webkit-linear-gradient(30deg, #32c5ff 25%, #b620e0 50%, #f7b500 75%, #20e050 100%);
 -webkit-text-fill-color: transparent;
 -webkit-background-clip: text;
 -webkit-background-size: 200% 100%;
 -webkit-animation: maskedAnimation 4s infinite linear;
}
@keyframes maskedAnimation {
 0% {
 background-position: 0 0
 }
 
 100% {
 background-position: -100% 0
 }
}