How to change toast notification when you submit the form Contact form 7?

When sending or error in contact form 7 separating the field. How to implement notifications, for example in vsplyvat over the form or lighted fields, red on error input.
Or so, for example
June 7th 19 at 15:45
1 answer
June 7th 19 at 15:47
Thank you, was easy. - ken_Hirthe commented on June 7th 19 at 15:50

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