Borders disappear in Chrome when I zoom in

Question

I have this really simple form: http://jsfiddle.net/TKb6M/91/. Sometimes, when I zoom in or out using Chrome, the input borders disappear. For example, when I zoom to 90% I

Answer 1

I had a similar issue with chrome in 2018 - the top border was missing on inputs and textareas. The fix was to specify the top border in css simply as

INPUT,TEXTAREA {
border-top: 1px solid #aaa
}

I can't explain why that was needed, and it was only losing the borders in certain places, but at least that was a quick workaround.