<div id="login">
	<form action="javascript:void(0);">

		<label for="l1">
			<span>Nome do usuário</span>
			<input type="text" class="input_text" name="l1" />
		</label>
		<label for="l2">
			<span>Senha</span>
			<input type="text" class="input_text" name="l2" />
		</label>

		<input type="submit" class="input_submit" value="Entrar" />
	</form>
</div>

Formulário de login

form, login, html

HTML