You might experience this issue where your fixed element randomly disappears in Chrome. Obviously as a front-end developer your first approach would be try to inspect that element and see what is going on. But surprise! The element is appearing again as soon as you touch the browser and this make it too tricky to find the fix!

This is a reported issue on Chrome code, However we all know it can take even several years to someone fix it.

Likely there is a trick to fix it! just add the following style to your fixed element.

.your-fixed-element {
    -webkit-transform: translateZ(0);
}