set Z index not working. button behind a container (HTML - CSS)

Question

I using Metro css (windows 8 style) and have a problem. I have container with alerts (the blue in the picture) , and above , there is \'IT -CENTER \' , If I click there it o

Answer 1

overflow: hidden;

to parent DIV worked for me

Answer 2

1. You must set position:relative if you are setting z-index - it is very important thing and can lead to your bug

2. If the 1 method doesn't help you should try to set z-indexes to the possible parents of that button (can say for sure I don't see your code)