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  • 擴展Bootstrap

    通過擴展Bootstrap,能夠充分利用它所包含的樣式、組件,還有LESS變量、函數。

    LESS CSS

    Bootstrap is made with LESS at its core, a dynamic stylesheet language created by our good friend, Alexis Sellier. It makes developing systems-based CSS faster, easier, and more fun.

    為什么使用LESS?

    One of Bootstrap's creators wrote a quick blog post about this, summarized here:

    • Bootstrap compiles faster ~6x faster with Less compared to Sass
    • Less is written in JavaScript, making it easier to us to dive in and patch compared to Ruby with Sass.
    • Less is more; we want to feel like we're writing CSS and making Bootstrap approachable to all.

    What's included?

    As an extension of CSS, LESS includes variables, mixins for reusable snippets of code, operations for simple math, nesting, and even color functions.

    Learn more

    Visit the official website at http://lesscss.org to learn more.

    Since our CSS is written with Less and utilizes variables and mixins, it needs to be compiled for final production implementation. Here's how.

    Note: If you're submitting a pull request to GitHub with modified CSS, you must recompile the CSS via any of these methods.

    編譯過程所用到的工具

    命令行工具

    Follow the instructions in the project readme on GitHub for compiling via command line.

    JavaScript插件

    Download the latest Less.js and include the path to it (and Bootstrap) in the <head>.

    <link rel="stylesheet/less" href="/path/to/bootstrap.less">
    <script src="/path/to/less.js"></script>
    

    To recompile the .less files, just save them and reload your page. Less.js compiles them and stores them in local storage.

    非官方的Mac應用

    The unofficial Mac app watches directories of .less files and compiles the code to local files after every save of a watched .less file. If you like, you can toggle preferences in the app for automatic minifying and which directory the compiled files end up in.

    更多應用

    Crunch

    Crunch is a great looking LESS editor and compiler built on Adobe Air.

    CodeKit

    Created by the same guy as the unofficial Mac app, CodeKit is a Mac app that compiles LESS, SASS, Stylus, and CoffeeScript.

    Simpless

    Mac, Linux, and Windows app for drag and drop compiling of LESS files. Plus, the source code is on GitHub.

    Quickly start any web project by dropping in the compiled or minified CSS and JS. Layer on custom styles separately for easy upgrades and maintenance moving forward.

    Setup file structure

    Download the latest compiled Bootstrap and place into your project. For example, you might have something like this:

       app/
           layouts/
           templates/
       public/
           css/
               bootstrap.min.css
           js/
               bootstrap.min.js
           img/
               glyphicons-halflings.png
               glyphicons-halflings-white.png
    

    Utilize starter template

    Copy the following base HTML to get started.

    <html>
      <head>
        <title>Bootstrap 101 Template</title>
        <!-- Bootstrap -->
        <link href="public/css/bootstrap.min.css" rel="stylesheet">
      </head>
      <body>
        <h1>Hello, world!</h1>
        <!-- Bootstrap -->
        <script src="public/js/bootstrap.min.js"></script>
      </body>
    </html>
    

    Layer on custom code

    Work in your custom CSS, JS, and more as necessary to make Bootstrap your own with your own separate CSS and JS files.

    <html>
      <head>
        <title>Bootstrap 101 Template</title>
        <!-- Bootstrap -->
        <link href="public/css/bootstrap.min.css" rel="stylesheet">
        <!-- Project -->
        <link href="public/css/application.css" rel="stylesheet">
      </head>
      <body>
        <h1>Hello, world!</h1>
        <!-- Bootstrap -->
        <script src="public/js/bootstrap.min.js"></script>
        <!-- Project -->
        <script src="public/js/application.js"></script>
      </body>
    </html>
    
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