TianDev

<div class="bg-gradient">
    <div class="flex-center">
        <h1>CSS Animated <br>Gradient Background</h1>
        <h5>— Made with by TianDev —</h5>
    </div>
</div>
</div>

.bg-gradient {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    height: 300px;
}

.flex-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
            background-position: 0% 50%;
    }
}