The problem is basically stated in the title, and it occurs only under these conditions:
- parent element is
display: flex; (or inline-flex),flex-direction: column;, andflex-wrap: wrap; - child element is
display: grid; - not in PC browsers (Chrome, Firefox and Edge were all OK), but iPhone browsers (Safari, Chrome, Google App and Firefox)
I avoided using this element structure so this doesn't bother me anymore, but I'm still curious if this is a bug or correct behavior.
If it's not a bug, how can I fix my code to make it look the same on PC and mobile?
Thanks for your attention!
Note: I checked on Google Chrome, Firefox, Microsoft Edge (Windows 10 PC) / Safari, Google Chrome, Google (app), Firefox (iOS 16.7.7 iPhone 8).It works as I expected in all browsers on PC, but in all browsers on iPhone, does not.
Edit: Later I checked Chrome and Safari on iPad, and the result was same as iPhone.
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><style> .flex { background-color: gray; width: 200px; display: flex; /* THIS */ flex-direction: column; /* THIS */ flex-wrap: wrap; /* THIS */ } .grid { display: grid; /* THIS */ outline: solid 1px red; } .child { outline: solid 1px lime; height: fit-content; }</style></head><body><div class="flex"><div class="grid"><div class="child">A</div><div class="child">A</div><div class="child">A</div><div class="child">A</div></div></div></body>Screenshot: the left is PC, and the right is mobile appearance