Right Aligned Bootstrap Container Which Also Aligns with Default Container

Right aligned Bootstrap container which also aligns with default container

You can calculate the left margin of the custom container width based on the Bootstrap container width for each breakpoint. In order for it to align with container, the left margin is going to be:

margin-left: calc(50vw - (container width/2))

So the CSS would be:

.container-custom {
   padding-left: 15px;
   padding-right: 15px;
}

@media (min-width:576px){
  .container-custom {
    margin-right: 0;
    margin-left: calc(50vw - 270px);
  }
}

@media (min-width:768px){
  .container-custom {
    margin-right: 0;
    margin-left: calc(50vw - 360px);
  }
}

@media (min-width:992px){
  .container-custom {
    margin-right: 0;
    margin-left: calc(50vw - 480px);
  }
}

@media (min-width:1200px){
  .container-custom {
    margin-right: 0;
    margin-left: calc(50vw - 570px);
  }
}

Demo: https://www.codeply.com/go/gO5EmIIeDi

How to align a container to the right with Bootstrap?

You can do this (no extra CSS)...

<div class="container-fluid fixed-top">
    <div class="row">
        <div class="ml-auto col-auto alert alert-primary">Here I am!</div>
    </div>
</div>

https://www.codeply.com/go/KeorPCu7AR

The col-auto class minimizes the column width to fit its' content, and then ml-auto will push it to the right. This way you won't need the dummy column.

Edit

Also, it would be better to put the alert inside the column...

<div class="container-fluid fixed-top p-0">
    <div class="row">
        <div class="ml-auto col-auto">
            <div class="alert alert-primary">Here I am!</div>
        </div>
    </div>
</div>

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Also see: Right aligned Bootstrap container which also aligns with default container

Left align and right align within div in Bootstrap

2021 Update...

Bootstrap 5 (beta)

For aligning within a flexbox div or row...

• ml-auto is now ms-auto
• mr-auto is now me-auto

For text align or floats..

• text-left is now text-start
• text-right is now text-end
• float-left is now float-start
• float-right is now float-end

Bootstrap 4+

• pull-right is now float-right
• text-right is the same as 3.x, and works for inline elements
• both float-* and text-* are responsive for different alignment at different widths (ie: float-sm-right)

The flexbox utils (eg:justify-content-between) can also be used for alignment:

<div class="d-flex justify-content-between">
      <div>
         left
      </div>
      <div>
         right
      </div>
 </div>

or, auto-margins (eg:ml-auto) in any flexbox container (row,navbar,card,d-flex,etc...)

<div class="d-flex">
      <div>
         left
      </div>
      <div class="ml-auto">
         right
      </div>
 </div>

Bootstrap 4 Align Demo

Bootstrap 4 Right Align Examples(float, flexbox, text-right, etc...)

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Bootstrap 3

Use the pull-right class..

<div class="container">
  <div class="row">
    <div class="col-md-6">Total cost</div>
    <div class="col-md-6"><span class="pull-right">$42</span></div>
  </div>
</div>

Bootstrap 3 Demo

You can also use the text-right class like this:

  <div class="row">
    <div class="col-md-6">Total cost</div>
    <div class="col-md-6 text-right">$42</div>
  </div>

Bootstrap 3 Demo 2

Bootstrap col align right

Bootstrap 5 (update 2021)

To right align elements in Bootstrap 5...

float-right is now float-end
text-right is now text-end
ml-auto is now ms-auto

Bootstrap 4 (original answer)

Use float-right for block elements, or text-right for inline elements:

<div class="row">
     <div class="col">left</div>
     <div class="col text-right">inline content needs to be right aligned</div>
</div>
<div class="row">
      <div class="col">left</div>
      <div class="col">
          <div class="float-right">element needs to be right aligned</div>
      </div>
</div>

http://codeply.com/go/oPTBdCw1JV

If float-right is not working, remember that Bootstrap 4 is now flexbox, and many elements are display:flex which can prevent float-right from working.

In some cases, the utility classes like align-self-end or ml-auto work to right align elements that are inside a flexbox container like the Bootstrap 4 .row, Card or Nav. The ml-auto (margin-left:auto) is used in a flexbox element to push elements to the right.

Bootstrap 4 align right examples

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