CSS OnClick Zmień kolor
<style>
.dabutton:focus {
background-color:yellow;
}
</style>
<button class="dabutton"></button> // <-- usage
Poised Penguin
<style>
.dabutton:focus {
background-color:yellow;
}
</style>
<button class="dabutton"></button> // <-- usageelement:focus