div bootstrap com 2 backgraunds

Boa tarde ,

Na página queria q ficasse dividida com 2 backgrounds totalizando o body todo exemblo:

lado a imagem a lado b imgem b body com background (a+b)

cada lado tera um botao como fazer?

segue o código:

.img-logo {
    height: 68px;
    width: 185px;
    display: block;
    background: url('img/zem.png') no-repeat;
    background-size: contain;
    color: transparent;
}

nav.navbar-transparente {
    padding:2px;
    background: white;
    display: block;


}

.navbar-brand{
    padding: 0px 6px;
}



/* ---------------- FOOTEER -----------------------------------------------*/


.outro {
    background-color: #F7F7F9;
}

#myFooter {
    background-color: #373a48;
    color:white;
}

#myFooter .footer-copyright{
    background-color: #383737;
    padding-top:3px;
    padding-bottom:3px;
    text-align: center;
}

#myFooter .footer-copyright p{
    margin:10px;
    color: #ccc;
}

#myFooter ul{
    list-style-type: none;
    padding-left: 0;
    line-height: 1.7;

}


#myFooter a{
    color:#d2d1d1;
    text-decoration: none;
}

#myFooter a:hover, #myFooter a:focus{
    text-decoration: none;
    color:white;
}

#myFooter .myCols{
    text-align: center;
}

#myFooter .social-networks{
    text-align: center;
    padding-top: 30px;
    padding-bottom: 38px;
}

#myFooter .social-networks a{
    font-size: 32px;
    margin-right: 5px;
    margin-left: 5px;
    color: #f9f9f9;
    padding: 10px;
    transition: 0.2s;

}


#myFooter .social-networks a:hover{
    text-decoration: none;

}

#myFooter .facebook:hover{
    color:#0077e2;
}

#myFooter .google:hover{
    color:#ef1a1a;
}

#myFooter .twitter:hover{
    color: #00aced;
}

@media screen and (max-width: 767px){
    #myFooter {
        text-align: center;
    }
}


body{
    background: #55ACEE;

  font-family: Helvetica,Arial,sans-serif;
  overflow-x: hidden;
}

.flip {
    -webkit-perspective: 800;
    width:600px;
    height: 600px;
    position: relative;
    margin: 50px auto;
}

<!DOCTYPE html>
<html lang="pt-br">
<head>
  <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">

  <title> Zem </title>
    <link rel="icon" href="img/favicon.ico">

    <!-- Bootstrap -->
    <link href="bootstrap/css/bootstrap.min.css" rel="stylesheet">
    <link href="estiloacesse.css" rel="stylesheet">
    <link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.6.3/css/font-awesome.min.css">


    <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
    <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
    <!--[if lt IE 9]>
      <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
      <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
    <![endif]-->

</head>
<body protegercodigo()  >
 <nav class="navbar navbar-default navbar-fixed-top navbar-transparente">
      <div class="container">

        <!-- header -->
        <div class="navbar-header">

          <!-- botao toggle -->
          <button type="button" class="navbar-toggle collapsed"
                  data-toggle="collapse" data-target="#barra-navegacao">
            <span class="sr-only">alternar navegação</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>

          <a href="home.html" class="navbar-brand">
            <span class="img-logo"></span>
          </a>

        </div>

        <!-- navbar -->
        <div class="collapse navbar-collapse" id="barra-navegacao">
          <ul class="nav navbar-nav navbar-right">
            <li><a href=""><h4>Corporativo</h4></a></li>
            <li><a href="contato.html"><h4>Contato</h4></a></li>
            <li><a href=""><h4>Quem Somos</h4></a></li>
            <li><a href=""><h4>Acesse</h4></a></li>
           </ul>
        </div>
      </div><!-- /container -->
</nav><!-- /nav -->
<br><br><br>


  <div class="container">
        <div class="row">
            <div class="col-md-6">
            <div class="flip">
                <div class="card" id="card1">
                  <div class="card-block">
                    <h3 class="card-title">Special title treatment</h3>
                    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
                    <a href="#" class="btn btn-primary">Go somewhere</a>
                  </div>
                </div>
            </div>
            </div>

            <div class="col-md-6">

            <div class="flip">
                <div class="card" id="card2">
                      <div class="card">
                  <div class="card-block">
                    <h3 class="card-title">Special title treatment</h3>
                    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
                    <a href="#" class="btn btn-primary">Go somewhere</a>
                  </div>
                </div>
              </div>
            </div>
           </div>
   </div>
</div>

<br>
<br>
<br>


<footer id="myFooter">
        <div class="container">
            <div>  

            <div class="col-sm-12 myCols">
             <br>
                <div class="social-networks">
                <a href="#" class="twitter"><i class="fa fa-twitter"></i></a>
                <a href="#" class="facebook"><i class="fa fa-facebook-official"></i></a>
                <a href="#" class="google"><i class="fa fa-google-plus"></i></a>

             </div>

          </div>

        </div>
   </div>





        <div class="footer-copyright">
            <p>© 2017 Sou Zem | Todos os direitos reservados.</p>
        </div>
</footer>


</body>



    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>

    <!-- Include all compiled plugins (below), or include individual files as needed -->
    <script src="bootstrap/js/bootstrap.min.js"></script>
    <script src="npm.js"></script>

    <script type="text/javascript">

    function protegercodigo() {
    if (event.button==2||event.button==3){
        alert('Codigo protegido!');}
    }
    document.onmousedown=protegercodigo

    </script>


</html>

Chegou a hora de transformar