v5.0.1 - Pages HTML

Grid

Bootstrap grid includes a responsive, mobile first fluid grid system that appropriately scales up to 12 columns as the device or viewport size increases. It includes predefined classes for easy layout options, as well as powerful mixins for generating more semantic layouts

Introduction

Grid systems are used for creating page layouts through a series of rows and columns that house your content. Here's how the Bootstrap grid system works:

  • You must start with row

  • There are pre-define classes of columns starting from 1 to 12, example col-md-1 to col-md-12

  • Each of these value represent a percentage of the screen, 1 being the smallest and 12 being 100%

  • You can create different grid pattern that finally forms 12

    eg : 

    <div class="row">
  <div class="col-md-1">.col-md-1</div>
  <div class="col-md-1">.col-md-1</div>
  <div class="col-md-1">.col-md-1</div>
  <div class="col-md-1">.col-md-1</div>
  <div class="col-md-1">.col-md-1</div>
  <div class="col-md-1">.col-md-1</div>
  <div class="col-md-1">.col-md-1</div>
  <div class="col-md-1">.col-md-1</div>
  <div class="col-md-1">.col-md-1</div>
  <div class="col-md-1">.col-md-1</div>
  <div class="col-md-1">.col-md-1</div>
  <div class="col-md-1">.col-md-1</div>
</div>
<div class="row">
  <div class="col-md-8">.col-md-8</div>
  <div class="col-md-4">.col-md-4</div>
</div>
<div class="row">
  <div class="col-md-4">.col-md-4</div>
  <div class="col-md-4">.col-md-4</div>
  <div class="col-md-4">.col-md-4</div>
</div>
<div class="row">
  <div class="col-md-6">.col-md-6</div>
  <div class="col-md-6">.col-md-6</div>
</div>

  • There different grids for different screen sizes, "col-md" md stands for medium screen, the following table explains

    EXTRA SMALL DEVICES PHONES (<768PX)

    SMALL DEVICESTABLETS (≥768PX)

    MEDIUM DEVICESDESKTOPS (≥992PX)

    LARGE DEVICESDESKTOPS (≥1200PX)

    Grid behavior

    Horizontal at all times

    Collapsed to start, horizontal above breakpoints

    Container width

    None (auto)

    750px

    970px

    1170px

    Class prefix

    .col-xs-

    .col-sm-

    .col-md-

    .col-lg-

    # of columns

    12

    Column width

    Auto

    ~62px

    ~81px

    ~97px

    Gutter width

    30px (15px on each side of a column)

    Nestable

    Yes

    Offsets

    Yes

    Column ordering

    Yes

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