9游会·(J9)官网

<style>

.box{ animation: change 1s ease-in infinite ; font-size: 36px; color:#f00; font-weight: bold}

@keyframes change {

0%{ text-shadow: 0 0 4px #f00}

50%{ text-shadow: 0 0 40px #f00}

100%{ text-shadow: 0 0 4px #f00}

}

</style>