效果：

HTML： 

<div class="this-div">Elegant and Beautiful</div>

CSS：

.this-div{background-image: -webkit-linear-gradient(left, #147B96, #E6D205 25%, #147B96 50%, #E6D205 75%, #147B96);-webkit-text-fill-color: transparent;-webkit-background-clip: text;-webkit-background-size: 200% 100%;-webkit-animation:  maskedAnimation 4s infinite linear;font-size: 18px;
}@keyframes maskedAnimation {0% {background-position: 0 0;}100% {background-position: -100% 0;}
}