Thank you for your answer.
Not sure I was clear in my explanation 
.
When I click on a button in the page on Mobile, the button receive the click event and proceed.
But regarding the look (or style), it is still shown with the âmouse hoverâ as set with focus style in the Editor. Because from mobile phone point of view, the pointer (my finger) has not moved from where it was when I clicked. And it will not change until I tap somewhere else in the screen.
In desktop, has soon I move my mouse somewhere else the button âloose the focusâ (but I do not need to click somewhere, just to move the mouse.
This behavior make user feel like âthe button is not finished to clickâ because it does not come back to standard style.
Any idea of shortcut to avoid this behavior ? (like force by code a click in background of the page to move the finger somewhere else)
Regarding the Richtextedit, it is more complex than I thought, because it is also related to 2 other issues :
First, setting the âRequiredâ in the Editor, does not change the required attribute in Velo to true.
And second, when I set required to true by velo code, if the user empty the text, the attribute value is not really empty because it let â
â. I was obliged to really empty it by code to make it work.