You need to made chagnes in css

Here is code:

<div class="bg-[linear-gradient(to_right,var(--tw-gradient-stops))] from-pink-500 via-purple-500 via-blue-500 to-pink-500 bg-[length:200%_100%] animate-[gradientMove_4s_linear_infinite]">
         <!-- Content will be here  -->
</div>