Validação formulário

<form class="formulario">
            <label for="nome">Nome:</label>
            <input type="text" id="nome" name="nome" minlength="3" required>

            <label for="email">E-mail:</label>
            <input type="email" id="email" name="email" required>

            <label for="cpf">CPF:</label>
            <input type="text" id="cpf" name="cpf" minlength="11" maxlength="14" required>

            <label for="senha">Senha:</label>
            <input type="password" id="senha" name="senha" minlength="8" required>

            <label for="aniversario">Data de nascimento:</label>
            <input type="date" id="aniversario" name="aniversario" required>

            <div>
                <label for="termos">Aceito os termos e condições</label>
                <input type="checkbox" id="termos" name="termos" required>
            </div>

            <input type="submit" value="Registrar">
        </form>