BootStrap CSS - HackMD

# BootStrap CSS ### CSS solution your needs - What is bootstrap? - How is it used? - Lets look at the Docs - Live Example? --- ## What is Bootstrap? - A lightweight styling library used for developing front end solutions. - Bootstrap allows for quick solutioning when it comes to styling needs and prototyping. - Built on top of flexbox, jQuery and utilizes a grid system for responsive design. --- ## How is it used? --- **Prototyping:** Quickly define solutions that represent the end result. (UX Designers, Developers, Product managers, Engineering Managers etc) --- **Why Prototype anyway? Couldn't we just write the code as we go and adapt along the way?** The short answer is: **yes** The long answer is: **It doesn't have to be used just for prototyping** --- ## Why is Prototyping important? --- ## How do we get into our projects? Bootstrap is delivered via download or CDN. --- **Ok ok, So what is this CDN thing?** CDN stands for ***Content Delivery Network:*** This is essentially remote server that you can access that contains tooling needed for the expected outcome. --- ## Importing ```  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous"> ``` ```  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script> ``` --- # Usage ``` <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Bootstrap</title> <link rel="stylesheet" href="styles.css"> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.4.1/dist/css/bootstrap.min.css" integrity="sha384-HSMxcRTRxnN+Bdg0JdbxYKrThecOKuH5zCYotlSAcp1+c8xmyTe9GYg1l9a69psu" crossorigin="anonymous"> </head> <body> <div class = "container">Something cool goes here</div> <nav class="navbar navbar-expand-lg navbar-light bg-light"> <div class="container-fluid"> <a class="navbar-brand" href="#">Navbar</a> <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-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 me-auto mb-2 mb-lg-0"> <li class="nav-item"> <a class="nav-link active" aria-current="page" href="#">Home</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item dropdown"> <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false"> Dropdown </a> <ul class="dropdown-menu" aria-labelledby="navbarDropdown"> <li><a class="dropdown-item" href="#">Action</a></li> <li><a class="dropdown-item" href="#">Another action</a></li> <li><hr class="dropdown-divider"></li> <li><a class="dropdown-item" href="#">Something else here</a></li> </ul> </li> <li class="nav-item"> <a class="nav-link disabled">Disabled</a> </li> </ul> <form class="d-flex"> <input class="form-control me-2" type="search" placeholder="Search" aria-label="Search"> <button class="btn btn-outline-success" type="submit">Search</button> </form> </div> </div> </nav> <button type="button" class="btn btn-primary">Primary</button> </body> </html> ```