Bootstrap Grid - Medium Devices - W3Schools

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Bootstrap Grid Example: Medium Devices

Extra small Small Medium Large
Class prefix .col-xs .col-sm .col-md .col-lg
Screen width <768px >=768px >=992px >=1200px

In the previous chapter, we presented a grid example with classes for small devices. We used two divs (columns) and we gave them a 25%/75% split:

<div class="col-sm-3">....</div> <div class="col-sm-9">....</div>

But on medium devices the design may be better as a 50%/50% split.

Tip: Medium devices are defined as having a screen width from 992 pixels to 1199 pixels.

For medium devices we will use the .col-md-* classes.

Now we will add the column widths for medium devices:

<div class="col-sm-3 col-md-6">....</div> <div class="col-sm-9 col-md-6">....</div>

Now Bootstrap is going to say "at the small size, look at classes with -sm- in them and use those. At the medium size, look at classes with -md- in them and use those".

The following example will result in a 25%/75% split on small devices and a 50%/50% split on medium (and large) devices. On extra small devices, it will automatically stack (100%):

Example

<div class="container-fluid"> <h1>Hello World!</h1> <div class="row"> <div class="col-sm-3 col-md-6" style="background-color:yellow;"> <p>Lorem ipsum...</p> </div> <div class="col-sm-9 col-md-6" style="background-color:pink;"> <p>Sed ut perspiciatis...</p> </div> </div> </div> Try it Yourself »

Note: Make sure that the sum always adds up to 12.

Using Only Medium

In the example below, we only specify the .col-md-6 class (without .col-sm-*). This means that medium and large devices will split 50%/50% - because the class scales up. However, for small devices, it will stack vertically (100% width):

Example

<div class="row"> <div class="col-md-6" style="background-color:yellow;"> <p>Lorem ipsum...</p> </div> <div class="col-md-6" style="background-color:pink;"> <p>Sed ut perspiciatis...</p> </div></div> Try it Yourself »

The next chapter shows how to add a different split percent for large devices.

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