CSS transition effect makes image blurry / moves image 1px, in Chrome?

2020 update

  • If you have issues with blurry images, be sure to check answers from below as well, especially the image-rendering CSS property.
  • For best practice accessibility and SEO wise you could replace the background image with an <img> tag using object-fit CSS property.

Original answer

Try this in your CSS:

.your-class-name {
    /* ... */
    -webkit-backface-visibility: hidden;
    -webkit-transform: translateZ(0) scale(1, 1);
}

What this does is it makes the division to behave “more 2D”.

  • Backface is drawn as a default to allow flipping things with rotate
    and such. There’s no need to that if you only move left, right, up, down, scale or rotate (counter-)clockwise.
  • Translate Z-axis to always have a zero value.
  • Chrome now handles backface-visibility and transform without the -webkit- prefix. I currently don’t know how this affects other browsers rendering (FF, IE), so use the non-prefixed versions with caution.

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