Move placeholder above the input on focus

Question

I\'m looking for css code that move the placeholder text above the input on focus. I found this code here. This code is perfect but my input tag is wrapped inside <

Answer 1

I have used contact form 7 and it gaves me this additional span. But I already found solution how to block this additional span. There is a filter that can remove this contact form 7 span. Here is the link.