'How set time for validation message on HTML5 form required attribute?

I am using HTML5. On form validation, the message will be shown for about 5 seconds. How to change it to be visible for 10 seconds?

<form>
<input name="name" required />
<input type="submit" value="Submit"/>
</form>


Solution 1:[1]

The UI is implemented by the browser and isn't customisable. Different browsers will implement it differently. (e.g. when I test it, the message is displayed until I interact with the page again).

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Quentin