<form>
<label for="email">Email Address:</label>
<input name="email" type="email" value="na@me@example.com">
<label for="secret">Secret Code: (lower case letters)</label>
<input name="secret" type="text" value="test" pattern="[a-z]+">
<label for="age">Your age: (18+)</label>
<input name="age" type="number" value="5" min="18">
<label><input name="tos" type="checkbox" required checked> - Do you agree to ToS?</label>
</form>