CSS Animation Focus Blur Example

<!doctype html>
<title>Example</title>
<style>
body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: sans-serif;
    background-color: #f0f0f0;
}

.blur-text {
    font-size: 3rem;
    font-weight: bold;
    color: #333;
    
    /* Initially hidden and blurred out */
    opacity: 0;
    filter: blur(20px);
    
    /* Animation settings */
    animation: focus-in 1.5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
}

@keyframes focus-in {
    0% {
        opacity: 0;
        filter: blur(20px);
        transform: scale(1.1); /* Slightly larger when blurred */
    }
    100% {
        opacity: 1;
        filter: blur(0px);
        transform: scale(1); /* Snaps into normal size when sharp */
    }
}

@media (prefers-reduced-motion: reduce) {
    .blur-text {
        animation: none; /* Disables the blur transition completely */
        opacity: 1; /* Make it visible immediately */
        filter: blur(0px); /* Remove any initial blur */
    }
}
</style>