<button>Click Me!</button>

<button disabled>Click Me!</button>

<button type="submit">Submit</button>

<button value="Click Me!"></button>

<button onclick="alert('Button Clicked!')">Click Me!</button>

<button style="background-color: blue; color: white;">Click Me!</button>

<button class="btn">Click Me!</button>

<form><input type="text" name="user-name"><button form="my-form" type="submit">Submit</button></form><form id="my-form" action="submit-form.php" method="post"><input type="text" name="user-email"></form>