Alert required fields

Hi,

I have a form: 3 fields (text: name/mail/telephone number) and 1 field (textarea: Message).
Name and mail are required.

Picture of my form: http://nsa33.casimages.com/img/2014/01/10/140110040815150785.jpg

When i forget write in mail field, i have the correct alert message, but i have a shift display. I want that alert message (required fields) appears below or in field

Picture after submit: http://nsa33.casimages.com/img/2014/01/10/140110040816856509.jpg

Thanks

http://ww.wp.xz.cn/plugins/contact-form-7/