pb_header1.php

<div class="navbar navbar-default navbar-fixed-top">
				<div class="container">
					<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="index.php">Personal Balance Sheet</a>
					</div>
					<div class="collapse navbar-collapse" id="myNavbar">
						<ul class="nav navbar-nav navbar-right">
							<li><a href="signup.php"><span class="glyphicon glyphicon-user"></span> Sign Up</a></li>
							<li><a href="#myModal" role="button" data-toggle="modal"><span class="glyphicon glyphicon-log-in"></span> Login</a></li>
							<li><a href="about_us.php"><span class="glyphicon glyphicon-tasks"></span> About Us</a></li>
							<li><a href="contact.php"><span class="glyphicon glyphicon-phone"></span> Contact Us</a></li>
						</ul>
					</div>
				</div>
			</div>