vertical-align with Bootstrap 3

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庸人自扰
庸人自扰 2020-11-21 05:34

I\'m using Twitter Bootstrap 3, and I have problems when I want to align vertically two div, for example — JSFiddle link:

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25条回答
  • 2020-11-21 05:51

    This is my solution. Just add this class to your CSS content.

    .align-middle {
      display: flex;
      justify-content: center;
      align-items: center;
    }
    

    Then your HTML would look like this:

    <div class="col-xs-12 align-middle">
      <div class="col-xs-6" style="background-color:blue;">
        <h3>Item</h3>
        <h3>Item</h3>
      </div>
      <div class="col-xs-6" style="background-color:red;">
        <h3>Item</h3>
      </div>
    </div>
    

    .align-middle {
      display: flex;
      justify-content: center;
      align-items: center;
    }
    <html>
      <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
    <!DOCTYPE html>
        <title>Title</title>
      </head>
      <body>
        <div class="container">
          <div class="row">
            <div class="col-xs-12 align-middle">
              <div class="col-xs-6" style="background-color:blue;">
                <h3>Item</h3>
                <h3>Item</h3>
              </div>
              <div class="col-xs-6" style="background-color:red;">
                <h3>Item</h3>
              </div>
            </div>
          </div>
        </div>
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
        <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
      </body>
    </html>

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  • 2020-11-21 05:51

    HTML

    <div class="row">
        <div class="col-xs-2 pull-bottom"
             style="height:100px;background:blue">
        </div>
        <div class="col-xs-8 pull-bottom"
             style="height:50px;background:yellow">
        </div>
    </div>
    

    CSS

    .pull-bottom {
        display: inline-block;
        vertical-align: bottom;
        float: none;
    }
    
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  • 2020-11-21 05:53

    I genuinely find the following code works using Chrome and not other browsers than the currently selected answer:

    .v-center {
        display:table!important; height:125px;
    }
    
    .v-center div[class*='col-'] {
       display: table-cell!important;
       vertical-align:middle;
       float:none;
    }
    .v-center img {
       max-height:125px;
    }
    

    Bootply Link

    You may need to amend the heights (specifically on .v-center) and remove/change div on div[class*='col-'] for your needs.

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  • 2020-11-21 05:56

    This answer presents a hack, but I would highly recommend you to use flexbox (as stated in @Haschem answer), since it's now supported everywhere.

    Demos link:
    - Bootstrap 3
    - Bootstrap 4 alpha 6

    You still can use a custom class when you need it:

    .vcenter {
        display: inline-block;
        vertical-align: middle;
        float: none;
    }
    <div class="row">
        <div class="col-xs-5 col-md-3 col-lg-1 vcenter">
            <div style="height:10em;border:1px solid #000">Big</div>
        </div><!--
        --><div class="col-xs-5 col-md-7 col-lg-9 vcenter">
            <div style="height:3em;border:1px solid #F00">Small</div>
        </div>
    </div>

    Bootply

    Using inline-block adds extra space between blocks if you let a real space in your code (like ...</div> </div>...). This extra space breaks our grid if column sizes add up to 12:

    <div class="row">
        <div class="col-xs-6 col-md-4 col-lg-2 vcenter">
            <div style="height:10em;border:1px solid #000">Big</div>
        </div>
        <div class="col-xs-6 col-md-8 col-lg-10 vcenter">
            <div style="height:3em;border:1px solid #F00">Small</div>
        </div>
    </div>
    

    Here, we've got extra spaces between <div class="[...] col-lg-2"> and <div class="[...] col-lg-10"> (a carriage return and 2 tabs/8 spaces). And so...

    Enter image description here

    Let's kick this extra space!!

    <div class="row">
        <div class="col-xs-6 col-md-4 col-lg-2 vcenter">
            <div style="height:10em;border:1px solid #000">Big</div>
        </div><!--
        --><div class="col-xs-6 col-md-8 col-lg-10 vcenter">
            <div style="height:3em;border:1px solid #F00">Small</div>
        </div>
    </div>
    

    Enter image description here

    Notice the seemingly useless comments <!-- ... -->? They are important -- without them, the whitespace between the <div> elements will take up space in the layout, breaking the grid system.

    Note: the Bootply has been updated

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  • 2020-11-21 05:56

    There isn't any need for table and table-cells. It can be achieved easily using transform.

    Example: http://codepen.io/arvind/pen/QNbwyM

    Code:

    .child {
      height: 10em;
      border: 1px solid green;
      position: relative;
    }
    .child-content {
      position: absolute;
      top: 50%;
      left: 50%;
      -webkit-transform: translate(-50%, -50%);
      transform: translate(-50%, -50%);
    }
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" />
    <div class="row parent">
      <div class="col-xs-6 col-lg-6 child">
        <div class="child-content">
          <div style="height:4em;border:1px solid #000">Big</div>
        </div>
      </div>
      <div class="col-xs-6 col-lg-6 child">
        <div class="child-content">
          <div style="height:3em;border:1px solid #F00">Small</div>
        </div>
      </div>
    </div>

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  • 2020-11-21 05:56

    There are several ways you can do it:

    1. Use 

      display: table-cell;
      vertical-align: middle;
      

      and the CSS of the container to

      display: table;
      
    2. Use padding along with media-screen for changing the padding relative to the screen size. Google @media screen to know more.

    3. Use relative padding

      I.e., specify padding in terms of %

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