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Twitter's Bootstrap 3.x semantic mobile grid

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予麋鹿
予麋鹿 2020-12-09 06:02

After reading the new (unfinished) Bootstrap 3 docs I am wondering how to create semantic mobile grid.

In short. How to convert this:



        

                      

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  • 北恋
    2020-12-09 06:41

    If i understand your question well i think you should use:


    <div class="row"> <div class="col-span-6 col-small-span-6″>6</div> <div class="col-span-6 col-small-span-6″>6</div> </div>

    Where col-span-6 is your class for the large grid and col-small-span-6 for the small grid. If you leave col-small-span-6 your div will stack. The small grid don't use the col-span-* classes.

    See also: http://bassjobsen.weblogs.fm/migrate-your-templates-from-twitter-bootstrap-2-x-to-twitter-bootstrap-3/

    From now Twitter’s Bootstrap defines three grids: Tiny grid for Phones (<480px), Small grid for Tablets (<768px) and the Medium-large grid for Destkops (>768px). The row class prefixes for these grid are “.col-”, “.col-sm-” and “.col-lg-”. The Medium-large grid will stack below 768 pixels screen width. So does the Small grid below 480 pixels and the tiny grid never stacks.

    So your html should be:

    <div class="row">
  <div class="col-6 col-lg-6 col-sm-6">6</div>
  <div class="col-6 col-lg-6 col-sm-6">6</div>
</div>

    LESS The latest version: https://github.com/twitter/bootstrap/archive/3.0.0-wip.zip doesn't contain a .make-small-column function any more. See also: https://github.com/twbs/bootstrap/pull/8302 .make-column() will add a media query for min-width: @grid-float-breakpoint so on the small grid your columns will stack always using this function.

    You could try:

    // Generate the small columns
.make-small-column(@columns) {
  position: relative;
  float: left;
  // Prevent columns from collapsing when empty
  min-height: 1px;
  // Inner gutter via padding
  padding-left:  (@grid-gutter-width / 2);
  padding-right: (@grid-gutter-width / 2);
  @max : (@grid-float-breakpoint - 1 );
  // Calculate width based on number of columns available
  @media (max-width: @max) {
    width: percentage((@columns / @grid-columns));
  }
}

.wrapper {  .make-row(); }
.left    { .make-column(6); .make-small-column(6);}
.right   { .make-column(6); .make-small-column(6);}

    UPDATE

    The answer above will be based on the release candidates of Twitter's Bootstrap 3. The final version of Twitter's Bootstrap 3 has 4 grid extra small (xs), small (sm), medium (md) and large (lg). Also the Less code has been change according these grids. So use the .make-{x}-column mixins as described by @gravy in his answer: https://stackoverflow.com/a/18667955/1596547

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  • 醉梦人生
    2020-12-09 06:55

    PART 1: Rant

    I hate bootstrappers using html div classes as a presentation layer to their HTML!!! I applaud you looking to program your site correctly.

    It reminds me of the 90s and early 2000s when we were all building websites with tables... are we going backwards people?

    <div class="col-6 col-lg-6 col-sm-6">6</div>
<div class="col-6 col-lg-6 col-sm-6">6</div>

    vs

    <table><tr><td>6</td><td>6</td></tr></table>

    I'm waiting for the day that Google imposes penalties on non-semantic markup.

    PART 2: Solution

    Anyhow, pulling this back to the question...

    For bootstrap 3, as far as I am aware, you cannot use .make-column(6) etc... as per Bass Jobsen's answer because you need to specify the size of the window / screen. lg / md / sm / xs

    Here is how I would do it...

    main.less

    @import 'bootstrap.less';

.wrapper {
    .container;
    .make-row();
    .clearfix();
}

.content-main { // Change these for each window size
  .make-lg-column(6);
  .make-md-column(6);
  .make-sm-column(6);
  .make-xs-column(6);
}
.content-sidebar { // change these for each window size
  .make-lg-column(6);
  .make-md-column(6);
  .make-sm-column(6);
  .make-xs-column(6);
}

    index.html

    <!DOCTYPE html>
<html lang="en">
<head>
    <title>Page Title</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta charset="UTF-8">
    <style rel="stylesheet/less" src="less/main.less" />
    <script src="js/less-1.4.1.min.js" type="text/javascript"></script>

    <!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
    <!--[if lt IE 9]>

    <script src="assets/js/html5shiv.js"></script>
    <script src="assets/js/respond.min.js"></script>
    <![endif]-->   
</head>
<body>
    <div class="wrapper">
        <div class="content-main">
            <div class="page-title">
                <!-- Page Title Stuff -->
            </div>
            <div class="page-content">
                <!-- Page Content Stuff -->
            </div>
        </div>
        <div class="content-sidebar"><!-- Page Footer Stuff --></div>
    </div>  
</body>

    • less.js
    • download Bootstrap
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