<div class="container-fluid">
<div class="row">
<header class="col-md-3">
<nav class="sidebar-sticky bg-dark navbar-dark navbar-expand-md">
<a href="#" class="logo navbar-brand">Logo</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto flex-column">
<li class="nav-item active">
<a href="" class="nav-link">О нас</a>
</li>
<li class="nav-item">
<a href="" class="nav-link">Проекты</a>
</li>
<li class="nav-item">
<a href="" class="nav-link">Команда</a>
</li>
<li class="nav-item">
<a href="" class="nav-link">Отзывы</a>
</li>
<li class="nav-item">
<a href="" class="nav-link">Контакты</a>
</li>
</ul>
</div>
</nav>
</header>
<!-- end header -->
<main class="col-md-9">
<h1>Привет, это сайт!</h1>
</main>
<!-- end main -->
</div>
</div>
<div class="container-fluid">
<div class="row">
<header class="col-md-3">
<nav class="sidebar-sticky bg-dark navbar-dark navbar-expand-md">
<a href="#" class="logo navbar-brand">Logo</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto flex-column">
<li class="nav-item active">
<a href="" class="nav-link">О нас</a>
</li>
<li class="nav-item">
<a href="" class="nav-link">Проекты</a>
</li>
<li class="nav-item">
<a href="" class="nav-link">Команда</a>
</li>
<li class="nav-item">
<a href="" class="nav-link">Отзывы</a>
</li>
<li class="nav-item">
<a href="" class="nav-link">Контакты</a>
</li>
</ul>
</div>
</nav>
</header>
<!-- end header -->
<main class="col-md-9">
<h1>Привет, это сайт!</h1>
</main>
<!-- end main -->
</div>
</div>