效果图

CSS 代码:

*{ margin: 0; padding: 0;}body{ height: 100vh; width: 100%; overflow: hidden; background-image: linear-gradient(125deg,#F44336,#E91E63,#9C27B0,#3F51B5,#2196F3); background-size: 400%; font-family: "montserrat"; animation: bganimation 15s infinite;}.text{ color: #fff; font-size: 22px; text-align: center; margin: 350px 0; /* text-transform: uppercase; */}@keyframes bganimation{ 0%{ background-position: 0% 50%; } 50%{ background-position: 100% 50%; } 100%{ background-position: 0% 50%; }}

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