anchor.diff:              <input type="text" name="bairro" placeholder="Insira bairro" required/>
               <br>
               <label for="txttelefone">Telefone:</label>
  -            <input type="text" name="telefone" placeholder="Insira telefone" required/>
  +            <input type="text" name="telefone" placeholder="Insira telefone" />
               <br>
               <label for="txtcelular">Celular:</label>
  -            <input type="text" name="celular" placeholder="Insira celular" required/>
  +            <input type="text" name="celular" placeholder="Insira celular" />
               <br>
               <label for="txtemail">Email:</label>
  -            <input type="text" name="email" placeholder="Insira email" required/>
  +            <input type="text" name="email" placeholder="Insira email" />
               <br>
               <input type="submit" value="Salvar"/>
               <input type="reset" value="Apagar"/>
  
positive.code:             <input type="text" name="numero" placeholder="Insira numero" required/>
              <br>
              <label for="txtcomplemento">Complemento:</label>
              <input type="text" name="complemento" placeholder="Insira complemento" required/>
              <br>
              <label for="txtcep">CEP:</label>
              <input type="text" name="cep" placeholder="Insira cep" required/>
              <br>
              <label for="txtlogradouro">Logradouro:</label>
              <input type="text" name="logradouro" placeholder="Insira logradouro" required/>
              <br>
              <label for="txtcidade">Cidade:</label>
              <input type="text" name="cidade" placeholder="Insira cidade" required/>
  
negative.code:         <title>Cadastro de Cliente</title>
          <link type="text/css" rel="stylesheet" type="text/css" href="./bootstrap/css/bootstrap-theme.min.css" />
          <link type="text/css"  href="./bootstrap/css/bootstrap.min.css" rel="stylesheet" />
      </head>
      <body>    
          <ul class="nav nav-pills nav-stacked">
  