navbar bootstrap

1<section id="headnev" class="navbar navbar-fixed-top">  

1<nav class="navbar navbar-expand-lg navbar-light bg-light">
2  <a class="navbar-brand" href="#">Navbar</a>
3  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
4    <span class="navbar-toggler-icon"></span>
5  </button>
6
7  <div class="collapse navbar-collapse" id="navbarSupportedContent">
8    <ul class="navbar-nav mr-auto">
9      <li class="nav-item active">
10        <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
11      </li>
12      <li class="nav-item">
13        <a class="nav-link" href="#">Link</a>
14      </li>
15      <li class="nav-item dropdown">
16        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
17          Dropdown
18        </a>
19        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
20          <a class="dropdown-item" href="#">Action</a>
21          <a class="dropdown-item" href="#">Another action</a>
22          <div class="dropdown-divider"></div>
23          <a class="dropdown-item" href="#">Something else here</a>
24        </div>
25      </li>
26      <li class="nav-item">
27        <a class="nav-link disabled" href="#">Disabled</a>
28      </li>
29    </ul>
30    <form class="form-inline my-2 my-lg-0">
31      <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
32      <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
33    </form>
34  </div>
35</nav>

1<!-- Bootstrap 5 Navbar -->
2<nav class="navbar navbar-expand-lg navbar-light bg-light">
3   <div class="container-fluid">
4      <a class="navbar-brand" href="#">Navbar</a>
5      <button
6         class="navbar-toggler"
7         type="button"
8         data-bs-toggle="collapse"
9         data-bs-target="#navbarSupportedContent"
10         aria-controls="navbarSupportedContent"
11         aria-expanded="false"
12         aria-label="Toggle navigation"
13      >
14         <span class="navbar-toggler-icon"></span>
15      </button>
16      <div class="collapse navbar-collapse" id="navbarSupportedContent">
17         <ul class="navbar-nav me-auto mb-2 mb-lg-0">
18            <li class="nav-item">
19               <a class="nav-link active" aria-current="page" href="#">Home</a>
20            </li>
21            <li class="nav-item">
22               <a class="nav-link" href="#">Link</a>
23            </li>
24            <li class="nav-item dropdown">
25               <a
26                  class="nav-link dropdown-toggle"
27                  href="#"
28                  id="navbarDropdown"
29                  role="button"
30                  data-bs-toggle="dropdown"
31                  aria-expanded="false"
32               >
33                  Dropdown
34               </a>
35               <ul class="dropdown-menu" aria-labelledby="navbarDropdown">
36                  <li><a class="dropdown-item" href="#">Action</a></li>
37                  <li><a class="dropdown-item" href="#">Another action</a></li>
38                  <li><hr class="dropdown-divider" /></li>
39                  <li>
40                     <a class="dropdown-item" href="#">Something else here</a>
41                  </li>
42               </ul>
43            </li>
44            <li class="nav-item">
45               <a
46                  class="nav-link disabled"
47                  href="#"
48                  tabindex="-1"
49                  aria-disabled="true"
50                  >Disabled</a
51               >
52            </li>
53         </ul>
54         <form class="d-flex">
55            <input
56               class="form-control me-2"
57               type="search"
58               placeholder="Search"
59               aria-label="Search"
60            />
61            <button class="btn btn-outline-success" type="submit">
62               Search
63            </button>
64         </form>
65      </div>
66   </div>
67</nav>

1<nav class="navbar navbar-expand-lg navbar-light bg-light">
2  <a class="navbar-brand" href="#">Navbar</a>
3  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
4    <span class="navbar-toggler-icon"></span>
5  </button>
6  <div class="collapse navbar-collapse" id="navbarNavAltMarkup">
7    <div class="navbar-nav">
8      <a class="nav-item nav-link active" href="#">Home <span class="sr-only">(current)</span></a>
9      <a class="nav-item nav-link" href="#">Features</a>
10      <a class="nav-item nav-link" href="#">Pricing</a>
11      <a class="nav-item nav-link disabled" href="#">Disabled</a>
12    </div>
13  </div>
14</nav>

1<!-- Bootstrap 4.6 Navbar -->
2<nav class="navbar navbar-expand-lg navbar-light bg-light">
3   <a class="navbar-brand" href="#">Navbar</a>
4   <button
5      class="navbar-toggler"
6      type="button"
7      data-toggle="collapse"
8      data-target="#navbarSupportedContent"
9      aria-controls="navbarSupportedContent"
10      aria-expanded="false"
11      aria-label="Toggle navigation"
12   >
13      <span class="navbar-toggler-icon"></span>
14   </button>
15
16   <div class="collapse navbar-collapse" id="navbarSupportedContent">
17      <ul class="navbar-nav mr-auto">
18         <li class="nav-item active">
19            <a class="nav-link" href="#"
20               >Home <span class="sr-only">(current)</span></a
21            >
22         </li>
23         <li class="nav-item">
24            <a class="nav-link" href="#">Link</a>
25         </li>
26         <li class="nav-item dropdown">
27            <a
28               class="nav-link dropdown-toggle"
29               href="#"
30               id="navbarDropdown"
31               role="button"
32               data-toggle="dropdown"
33               aria-haspopup="true"
34               aria-expanded="false"
35            >
36               Dropdown
37            </a>
38            <div class="dropdown-menu" aria-labelledby="navbarDropdown">
39               <a class="dropdown-item" href="#">Action</a>
40               <a class="dropdown-item" href="#">Another action</a>
41               <div class="dropdown-divider"></div>
42               <a class="dropdown-item" href="#">Something else here</a>
43            </div>
44         </li>
45         <li class="nav-item">
46            <a
47               class="nav-link disabled"
48               href="#"
49               tabindex="-1"
50               aria-disabled="true"
51               >Disabled</a
52            >
53         </li>
54      </ul>
55      <form class="form-inline my-2 my-lg-0">
56         <input
57            class="form-control mr-sm-2"
58            type="search"
59            placeholder="Search"
60            aria-label="Search"
61         />
62         <button class="btn btn-outline-success my-2 my-sm-0" type="submit">
63            Search
64         </button>
65      </form>
66   </div>
67</nav>

1<nav class="navbar navbar-expand-lg navbar-light bg-light">
2  <div class="container-fluid">
3    <a class="navbar-brand" href="#">Navbar</a>
4    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
5      <span class="navbar-toggler-icon"></span>
6    </button>
7    <div class="collapse navbar-collapse" id="navbarNav">
8      <ul class="navbar-nav">
9        <li class="nav-item">
10          <a class="nav-link active" aria-current="page" href="#">Home</a>
11        </li>
12        <li class="nav-item">
13          <a class="nav-link" href="#">Features</a>
14        </li>
15        <li class="nav-item">
16          <a class="nav-link" href="#">Pricing</a>
17        </li>
18        <li class="nav-item">
19          <a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">Disabled</a>
20        </li>
21      </ul>
22    </div>
23  </div>
24</nav>