/* ==========================================================================
   Author's custom styles
   ========================================================================== */

* {
	margin: 0px;
	padding: 0px;
}

@font-face{
	font-family: Trebuchet MS;

	src: url(../fonts/Trebuchet MS.ttf.ttf) format(‘truetype’);
}

html{
	height: 100%;
	margin-left: auto;
	margin-right: auto;
}

body{
	background-color: #f5f5f5;
	display: table;
	width: 100%;
	color: #4a4a4a;
	font-family: Trebuchet MS;
	height: 100%;
}

h1{
	text-align: center;
	margin-top: 10px;
}

h2{
	margin-top: 10px;
	font-size: 35px;
}

h4{
	font-weight: bold;
}

footer {
	height: 5%;
	background-color: #233448;
	text-align: center;
	color: #ffffff;

}

a, a:hover, a:active, a:visited, a:focus{
	text-decoration: none;
	
}

#cabecera{
	background-color: #233448;
	
}

#menu{
	color: #ffffff;
}

#myNavbar, #boton{
	background-color: #233448;
	border: 0px;
}

#jum{
	background-image: url(../img/gradient.jpg);
	background-repeat: repeat-y;
	background-color: #37506f;
	color: #ffffff;
	padding: 40px;
}

#cuerpo{
	background-color: #f5f5f5;
	color: #000000;

}

#izq{
	background-color: #ffffff;
	font-size: 15px;

	border-radius: 5px;
	-webkit-border-radius: 5px;
  	-moz-border-radius: 5px;

  	
	margin: 45px 10px 15px 50px;
	color: #000000;

	box-shadow: 1px 1px 5px #000000;
	-webkit-box-shadow: '' 2px 2px 5px rgba(0, 0, 0, 0);
  	-moz-box-shadow: '' 2px 2px 5px rgba(0, 0, 0, 0);
  	-o-box-shadow: '' 2px 2px 5px rgba(0, 0, 0, 0);

  	padding: 20px;
}

#drch{
	background-color: #ffffff;
	font-size: medium;

	border-radius: 5px;
	-webkit-border-radius: 5px;
  	-moz-border-radius: 5px;

  	 
	margin: 45px 10px 15px 10px;
	color: #000000;

	box-shadow: 1px 1px 5px #000000;
	-webkit-box-shadow: '' 2px 2px 5px rgba(0, 0, 0, 0);
  	-moz-box-shadow: '' 2px 2px 5px rgba(0, 0, 0, 0);
  	-o-box-shadow: '' 2px 2px 5px rgba(0, 0, 0, 0);

  	padding: 20px;
}

#texto_cuerpo{
	margin-left: 75px;
	padding: 8px;
}

#drcha{
	margin-top: 20px;
	margin-bottom: 30px;
}

#texto_niche{
	font-size: 25px;
}

#foot{
	margin-top: 10px;
	padding: 20px;
}

.nav>li>a:hover, .nav>li>a:focus {
    text-decoration: none;
    background-color: #eee;
    color: #000000;
}

.nav-pills>li>a{
	border-radius: 5px;
	padding: 5px;
	color: #ffffff;
	margin: 10px;
}

.clase-general{
 	display: table-row;
}

.bt{
	font-weight: bold;
	font-size: 20px;
}

.img1{
	margin-top: 30px;
	margin-bottom: 30px;
	margin-left: 30px;
}



<nav class="navbar navbar-inverse">
  <div class="container-fluid">
    <div class="navbar-header">
      <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar">
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>                        
      </button>
      <a class="navbar-brand" href="#">WebSiteName</a>
    </div>
    <div class="collapse navbar-collapse" id="myNavbar">
      <ul class="nav navbar-nav">
        <li class="active"><a href="#">Home</a></li>
        <li class="dropdown">
          <a class="dropdown-toggle" data-toggle="dropdown" href="#">Page 1 <span class="caret"></span></a>
          <ul class="dropdown-menu">
            <li><a href="#">Page 1-1</a></li>
            <li><a href="#">Page 1-2</a></li>
            <li><a href="#">Page 1-3</a></li>
          </ul>
        </li>
        <li><a href="#">Page 2</a></li>
        <li><a href="#">Page 3</a></li>
      </ul>
      <ul class="nav navbar-nav navbar-right">
        <li><a href="#"><span class="glyphicon glyphicon-user"></span> Sign Up</a></li>
        <li><a href="#"><span class="glyphicon glyphicon-log-in"></span> Login</a></li>
      </ul>
    </div>
  </div>
</nav>