<button class="btn">Отправить заявку</button> .btn:hover{
background-color: white;
}
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This Pen doesn't use any external CSS resources.
External JavaScript
This Pen doesn't use any external JavaScript resources.
<button class="btn">Отправить заявку</button> .btn:hover{
background-color: white;
}This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.