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HTML

              
                <!-- Vertical navbar -->
	<div class="vertical-nav bg-dark" id="sidebar">
  		<div class="py-4 px-3 mb-4 bg-dark">   		
      		<div class="media-body">
        		<h4 class="font-weight-white text-muted mb-0">Verical Navbar</h4>
        		<p class="font-weight-grey text-muted mb-0">With HTML and Bootstrap</p>
      		</div>  		
  		</div>

  		<p class="text-white font-weight-bold text-uppercase px-3 small pb-4 mb-0">Main</p>

  		<ul class="nav flex-column bg-dark mb-0">
    		<li class="nav-item">
      			<a href="#" class="nav-link text-light font-italic bg-dark">
                	<i class="fa fa-th-large mr-3 text-primary fa-fw"></i>
                		Home
            	</a>
    		</li>
    		<li class="nav-item">
      			<a href="https://huykhong.com" class="nav-link text-light font-italic">
                	<i class="fa fa-address-card mr-3 text-primary fa-fw"></i>
                	About me
            	</a>
    		</li>
    		<li class="nav-item">
      			<a href="#" class="nav-link text-light font-italic">
                	<i class="fa fa-cubes mr-3 text-primary fa-fw"></i>
                	Services
            	</a>
    		</li>
    		<li class="nav-item">
      			<a href="#" class="nav-link text-dark font-italic">
                	<i class="fa fa-picture-o mr-3 text-primary fa-fw"></i>
                	Gallery
            	</a>
    		</li>
  		</ul>

  		<p class="text-gray font-weight-bold text-uppercase px-3 small py-4 mb-0">Charts</p>

  			<ul class="nav flex-column bg-dark mb-0">
    			<li class="nav-item">
      				<a href="#" class="nav-link text-light font-italic">
                	<i class="fa fa-area-chart mr-3 text-primary fa-fw"></i>
                		Area charts
            		</a>
    			</li>
    			<li class="nav-item">
      				<a href="#" class="nav-link text-light font-italic">
                	<i class="fa fa-bar-chart mr-3 text-primary fa-fw"></i>
                		Bar charts
            		</a>
    			</li>
    			<li class="nav-item">
      				<a href="#" class="nav-link text-light font-italic">
                	<i class="fa fa-pie-chart mr-3 text-primary fa-fw"></i>
                		Pie charts
            		</a>
    			</li>
    			<li class="nav-item">
      				<a href="#" class="nav-link text-light font-italic">
                	<i class="fa fa-line-chart mr-3 text-primary fa-fw"></i>
                		Line charts
            		</a>
    			</li>
  			</ul>
	</div>
<!-- End vertical navbar -->

<!-- Page content holder -->
	<div class="page-content p-5" id="content">
  		<!-- Toggle button -->
  		<button id="sidebarCollapse" type="button" class="btn btn-dark bg-dark rounded-pill shadow-sm px-4 mb-4"><i class="fa fa-bars mr-2"></i><small class="text-uppercase font-weight-bold">Toggle</small></button>

  <!-- Demo content -->
  	<h2 class="display-4 text-white">Bootstrap vertical nav</h2>
  		<p class="lead text-white mb-0">Build a fixed sidebar using Bootstrap 4 vertical navigation and media objects.</p> 		
  	<div class="separator"></div>
  		<div class="row text-white">
    		<div class="col-lg-7">
      			<p class="lead">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
        		dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
      			<p class="lead">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
        		dolor.
      			</p>
      			<div class="bg-dark p-5 rounded my-5 shadow-sm">
        			<p class="lead font-italic mb-0 text-muted">"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute
          			irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."</p>
      			</div>
      				<p class="lead">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud 	exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
        			dolor.
      				</p>
      				<p class="lead">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
        			dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
      				<p class="lead">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
        			dolor.
      				</p>
    		</div>
    		<div class="col-lg-5">
      			<p class="lead">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
       			 dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
      			<p class="lead">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
       			 dolor.
      			</p>
      			<p class="lead">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
        		dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
      			<p class="lead">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
        		dolor.
      			</p>
    		</div>
  		</div>
	</div>
              
            
!

CSS

              
                body {
background: #141E30;  /* fallback for old browsers */
background: -webkit-linear-gradient(to right, #243B55, #141E30);  /* Chrome 10-25, Safari 5.1-6 */
background: linear-gradient(to right, #243B55, #141E30); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */

}

.separator {
  margin: 3rem 0;
  border-bottom: 1px dashed #fff;
}

.text-uppercase {
  letter-spacing: 0.1em;
}

.text-gray {
  color: #aaa;
}

.vertical-nav {
  min-width: 17rem;
  width: 17rem;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.4s;
}

.page-content {
  width: calc(100% - 17rem);
  margin-left: 17rem;
  transition: all 0.4s;
}

/* for toggle behavior */

#sidebar.active {
  margin-left: -17rem;
}

#content.active {
  width: 100%;
  margin: 0;
}

@media (max-width: 768px) {
  #sidebar {
    margin-left: -17rem;
  }
  #sidebar.active {
    margin-left: 0;
  }
  #content {
    width: 100%;
    margin: 0;
  }
  #content.active {
    margin-left: 17rem;
    width: calc(100% - 17rem);
  }
}
              
            
!

JS

              
                $(function() {
  // Sidebar toggle behavior
  $('#sidebarCollapse').on('click', function() {
    $('#sidebar, #content').toggleClass('active');
  });
});
              
            
!
999px

Console