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<!DOCTYPE html>
<html>
<body>
<h2>Numeric Steps</h2>
<p>Depending on browser support: Fixed steps will apply in the input field.</p>
<form action="/action_page.php">
  <label for="quantity">Quantity:</label>
  <input type="number" id="quantity" name="quantity" min="0" max="100" step="10" value="30">
  <input type="submit" value="Submit">
</form>
</body>
</html>