#### Single Navbar - Top Fixed

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###### Fixed top navbar

Top `fixed` navbar is positioned relative to the screen's viewport and doesn't move when scrolled. To use, add `.fixed-top` class to the `.navbar` container and `.navbar-top` class to the `<body>` container.

##### Navbar component

Navbar is a navigation component, usually displayed on top of the page and includes brand logo, navigation, notifications, user menu, language switcher and other components. By default, navbar has `top static` position and is a direct child of `<body>` container. Navbar toggler appears next to the brand logo on small screens and can be easily adjusted with `display` utility classes. You can also control responsive collapsing breakpoint directly in the markup. Navbar component is responsive by default and requires `.navbar` and `.navbar-expand{-sm|-md|-lg|-xl}` classes.

###### Static navbars

By default, top and bottom navbars have `static` position and scroll away along with content. This use case doesn't require any additional classes for `.navbar` and `<body>` containers, this means navbar appearance depends on its placement: in the template top static navbar is the first direct child of `<body>` and placed before `.page-content` container, bottom static navbar is placed after it.

###### Fixed navbars

Fixed navbars use `position: fixed`, meaning they’re pulled from the normal flow of the DOM and may require custom CSS (e.g., `padding-top` on the `<body>`) to prevent overlap with other elements. Thanks to the power of SASS, padding classes are dynamically calculated based on brand and nav link heights. Table below lists all available body and navbar classes.

###### Navbar markup

Navbar markup consists of a set of containers with mandatory and optional classes: `.navbar` is a wrapper, this class is required for all types of navbars; `.navbar-[color]` - sets main background color and adjusts content color; `.navbar-expand-[breakpoint]` - responsible for collapsing navbar content behind the button on small screens; `.navbar-component` - displays navbar as a stand alone component with borders and rounded corners. See the table below for a full list of classes.

Static navbar markup:

    <!-- Document body -->
    <body>

    	<!-- Main navbar -->
    	<div class="navbar navbar-dark navbar-expand-md">

    		<!-- Navbar brand -->
    		<div class="navbar-brand">
    			...
    		</div>
    		<!-- /navbar brand -->

    		<!-- Mobile toggler -->
    		<div class="d-md-none">
    			...
    		</div>
    		<!-- /mobile toggler -->

    		<!-- Navbar content -->
    		<div class="collapse navbar-collapse" id="navbar">
    			...
    		</div>
    		<!-- /navbar content -->

    	</div>
    	<!-- /main navbar -->

    </body>
    <!-- /document body -->

Fixed navbar markup:

    <!-- Document body -->
    <body class="navbar-top">

    	<!-- Main navbar -->
    	<div class="navbar navbar-dark navbar-expand-md fixed-top">

    		<!-- Navbar brand -->
    		<div class="navbar-brand">
    			...
    		</div>
    		<!-- /navbar brand -->

    		<!-- Mobile toggler -->
    		<div class="d-md-none">
    			...
    		</div>
    		<!-- /mobile toggler -->

    		<!-- Navbar content -->
    		<div class="collapse navbar-collapse" id="navbar">
    			...
    		</div>
    		<!-- /navbar content -->

    	</div>
    	<!-- /main navbar -->

    </body>
    <!-- /document body -->

##### Navbar classes

Navbar is a complex, but very flexible component. It supports different types of content, responsive utilities manage content appearance and spacing on various screen sizes, supports multiple sizing and color options etc. And everything can be changed on-the-fly directly in HTML markup. If you can't find an option you need, you can always extend default SCSS code. Table below demonstrates all available classes that can be used within the navbar:

Class | Type | Description
--- | --- | ---
`.navbar` | Required | Default navbar class, must be used with any navbar type and color. Responsible for basic navbar and navbar components styling as a parent container.
`.navbar-light` | Required | This class is used for `dark` background colors - default dark color is set in `$navbar-light-bg` variable, feel free to adjust the color according to your needs.
`.navbar-light.alpha-*` | Optional | Combination of these classes allows you to set custom light color to the `light` navbar. Note - `.navbar-light` is required, it's responsible for correct content styling.
`.navbar-dark` | Required | This class is used for `dark` background colors - default dark color is set in `$navbar-dark-bg` variable, feel free to adjust the color according to your needs.
`.navbar-dark.bg-*` | Optional | Combination of these classes allows you to set custom dark color to the `dark` navbar. Note - `.navbar-dark` is required, it's responsible for correct content styling.
`.navbar-expand-[breakpoint]` | Optional | For navbars that never collapse, add the `.navbar-expand` class on the navbar. For navbars that always collapse, don’t add any `.navbar-expand` class. Otherwise use this class to change when navbar content collapses behind a button.
`.navbar-brand` | Required | Class for logo container. It can be applied to most elements, but an anchor works best as some elements might require utility classes or custom styles
`.navbar-toggler` | Required | This class needs to be added to the navbar toggle button that toggles navbar content on small screens. Always used with visibility utility classes.
`.navbar-collapse` | Required | Groups and hides navbar contents by a parent breakpoint. Requires an ID for targeting collapsible container when sidebar content is collapsed.
`.navbar-nav` | Required | Responsive navigation container class that adds default styling for navbar navigation.
`.nav-item` | Required | Wrapper class for immediate parents of all navigation links. Responsible for correct styling of nav items
`.navbar-nav-link` | Required | Custom class for links within `.navbar-nav` list, it sets proper styling for links in light and dark navbars.
`.navbar-text` | Required | This class adjusts vertical alignment and horizontal spacing for strings of text
`.navbar-component` | Optional | Display navbar as a stand alone component, with border and rounded corners.
`.fixed-top` | Optional | Makes navbar sticked to the `top` of the page. Requires proper class for `<body>` container, see the table below.
`.fixed-bottom` | Optional | Makes navbar sticked to the `bottom` of the page. Requires proper class for `<body>` container, see the table below.
`.sticky-top` | Optional | Adds `position: sticky;` to the navbar - it's treated as relatively positioned until its containing block crosses a specified threshold, at which point it is treated as fixed. Support is limited.

##### Body classes

If you want to place navbar in non-static positions, you can choose from fixed to the top, fixed to the bottom, or stickied to the top (scrolls with the page until it reaches the top, then stays there). Fixed navbars use `position: fixed`, meaning they’re pulled from the normal flow of the DOM and require custom classes added to the `<body>` container to prevent overlap with other elements. The following table demonstrates the list of classes for `<body>` container if navbar has non-static position:

Class | Description
--- | ---
`.navbar-top` | This class adds `top` padding to the `<body>` container. Works only with default navbar height. If another height is specified, apply another class (see the line below).
`.navbar-bottom` | This class adds `bottom` padding to the `<body>` container. Works only with default navbar height. If another height is specified, apply another class (see the line below).
`.navbar-top-[size]` | Controls `top` spacing of `<body>` container, if navbar has optional height. Available sizes: small (`*-sm`) and large (`*-lg`). Default navbar requires `.navbar-top` class only.
`.navbar-bottom-[size]` | Controls `bottom` spacing of `<body>` container, if navbar has optional height. Available sizes: small (`*-sm`) and large (`*-lg`). Default navbar requires `.navbar-bottom` class only.
`.navbar-top-[size]-[size]` | Use these classes if the layout has multiple `top` navbars, where first `[size]` is the size of the first navbar, second `[size]` - height of the second navbar. In this particular use case, `[size]` can be: `lg` if large height, `md` is default height `sm` is small height.
`.navbar-bottom-[size]-[size]` | Use these classes if the layout has multiple `bottom` navbars, where first `[size]` is the size of the first navbar, second `[size]` - height of the second navbar. In this particular use case, `[size]` can be: `lg` if large height, `md` is default height `sm` is small height.