Flex-fill parent with multiple h-100 children with Bootstrap4

I am currently using Bootstrap 4.1.3 for a project.

I have managed to create multiple children with h-100 within a flex-fillwith the help of <div class="h-100"> wrapper.

Although it works as intended in Google Chrome, but it feels like I am doing something horribly wrong because when it comes to the smaller screens, these children elements expand more than 100% height of their parent.

Is there any better approach in CSS or Bootstrap 4 to achieve multiple child elements with 100% height inside a flex-fill parent that while retaining the responsiveness of Bootstrap 4?

Here is my code pen demo for it.

Here is my sample code:

html,body {

  height:100%;

}

<body>

  <!-- Added Flex -->

  <div class="d-md-flex flex-column h-100">

    <!--p>Nav Bar</p-->

    <!-- Show selection when screen is in medium range-->

    <nav class="navbar navbar-expand-sm navbar-dark bg-dark sticky-top">

      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#mainNavBar" aria-controls="mainNavBar"

        aria-expanded="false" aria-label="Toggle navigation">

        <span class="navbar-toggler-icon"></span>

      </button>

      <div class="collapse navbar-collapse" id="mainNavBar">

        <div class="navbar-nav">

          <a class="nav-item nav-link" href="#">Section 1</a>

        </div>

      </div>

    </nav>



    <div class="container-fluid d-flex h-100">

      <div class="row flex-fill">

        <!--Main Content-->

        <div class="col-md-8">

          <div class="row h-100">

            <div id="mainSection" class="col-md-12 d-flex flex-column flex-fill">

              <div class="h-100"><!-- <<<Mentioned Wrapper -->

                <div id="section1" class="h-100 bg-warning">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

                <div id="section2" class="h-100 bg-success">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

              </div>

            </div>

          </div>

        </div>



        <!-- Profile Bar-->

        <div class="col-md-4">

          <div class="h-100 position-fixed" style="border:1px solid yellowgreen;">

            <p>Hi I am Darky</p>

            <p>

              Introduction 1:



              Hinc omittam inciderint eu duo, nisl doctus no duo, oratio quidam concludaturque cu vix. Te sea

              voluptatibus delicatissimi, nec ex habeo alienum efficiendi, id quis ludus detracto sit. Has ei libris

              patrioque, habeo corpora blandit id qui. Solum alterum blandit an quo. Vel modus novum nominavi eu, sit

              partem electram ea. Sit vero temporibus ne, sea cu justo dicit accusam.

            </p>

          </div>

        </div>

      </div>

    </div>

  </div>

</body>

Updated Question 18/11/2018

So my question is:

I don't understand why the mentioned wrapper <div class="h-100"> is able to help section1 and section2 to be 100% height of 'mainSection' each.

Am I using the mentioned wrapper <div class="h-100"> and flexbox correctly?

edited Nov 18 '18 at 2:17

asked Nov 17 '18 at 18:47

Darky WC

256

I checked your codepen and I can't replicate what you mean. i.e. I can't identify the problem. Everything seems to scale appropriately. Could you be a bit more descriptive of the problem and your desired results?

– cmprogram
Nov 17 '18 at 18:52

2

Using height: 100% (h-100) with Flexbox can be counter productive, as Flexbox has built-in features how children can fill their parents height. Flex columns and flex: 1 will do that, and flex rows and its align-items, which default to stretch, has a similar effect. When it comes to your question, please try to narrow it down with a Minimal, Complete, and Verifiable example to enable a more specific answer.

– LGSon
Nov 17 '18 at 20:14

add a comment |

I am currently using Bootstrap 4.1.3 for a project.

I have managed to create multiple children with h-100 within a flex-fillwith the help of <div class="h-100"> wrapper.

Is there any better approach in CSS or Bootstrap 4 to achieve multiple child elements with 100% height inside a flex-fill parent that while retaining the responsiveness of Bootstrap 4?

Here is my code pen demo for it.

Here is my sample code:

html,body {

  height:100%;

}

<body>

  <!-- Added Flex -->

  <div class="d-md-flex flex-column h-100">

    <!--p>Nav Bar</p-->

    <!-- Show selection when screen is in medium range-->

    <nav class="navbar navbar-expand-sm navbar-dark bg-dark sticky-top">

      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#mainNavBar" aria-controls="mainNavBar"

        aria-expanded="false" aria-label="Toggle navigation">

        <span class="navbar-toggler-icon"></span>

      </button>

      <div class="collapse navbar-collapse" id="mainNavBar">

        <div class="navbar-nav">

          <a class="nav-item nav-link" href="#">Section 1</a>

        </div>

      </div>

    </nav>



    <div class="container-fluid d-flex h-100">

      <div class="row flex-fill">

        <!--Main Content-->

        <div class="col-md-8">

          <div class="row h-100">

            <div id="mainSection" class="col-md-12 d-flex flex-column flex-fill">

              <div class="h-100"><!-- <<<Mentioned Wrapper -->

                <div id="section1" class="h-100 bg-warning">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

                <div id="section2" class="h-100 bg-success">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

              </div>

            </div>

          </div>

        </div>



        <!-- Profile Bar-->

        <div class="col-md-4">

          <div class="h-100 position-fixed" style="border:1px solid yellowgreen;">

            <p>Hi I am Darky</p>

            <p>

              Introduction 1:



              Hinc omittam inciderint eu duo, nisl doctus no duo, oratio quidam concludaturque cu vix. Te sea

              voluptatibus delicatissimi, nec ex habeo alienum efficiendi, id quis ludus detracto sit. Has ei libris

              patrioque, habeo corpora blandit id qui. Solum alterum blandit an quo. Vel modus novum nominavi eu, sit

              partem electram ea. Sit vero temporibus ne, sea cu justo dicit accusam.

            </p>

          </div>

        </div>

      </div>

    </div>

  </div>

</body>

Updated Question 18/11/2018

So my question is:

I don't understand why the mentioned wrapper <div class="h-100"> is able to help section1 and section2 to be 100% height of 'mainSection' each.

Am I using the mentioned wrapper <div class="h-100"> and flexbox correctly?

edited Nov 18 '18 at 2:17

asked Nov 17 '18 at 18:47

Darky WC

256

I checked your codepen and I can't replicate what you mean. i.e. I can't identify the problem. Everything seems to scale appropriately. Could you be a bit more descriptive of the problem and your desired results?

– cmprogram
Nov 17 '18 at 18:52

2

Using height: 100% (h-100) with Flexbox can be counter productive, as Flexbox has built-in features how children can fill their parents height. Flex columns and flex: 1 will do that, and flex rows and its align-items, which default to stretch, has a similar effect. When it comes to your question, please try to narrow it down with a Minimal, Complete, and Verifiable example to enable a more specific answer.

– LGSon
Nov 17 '18 at 20:14

add a comment |

I am currently using Bootstrap 4.1.3 for a project.

I have managed to create multiple children with h-100 within a flex-fillwith the help of <div class="h-100"> wrapper.

Is there any better approach in CSS or Bootstrap 4 to achieve multiple child elements with 100% height inside a flex-fill parent that while retaining the responsiveness of Bootstrap 4?

Here is my code pen demo for it.

Here is my sample code:

html,body {

  height:100%;

}

<body>

  <!-- Added Flex -->

  <div class="d-md-flex flex-column h-100">

    <!--p>Nav Bar</p-->

    <!-- Show selection when screen is in medium range-->

    <nav class="navbar navbar-expand-sm navbar-dark bg-dark sticky-top">

      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#mainNavBar" aria-controls="mainNavBar"

        aria-expanded="false" aria-label="Toggle navigation">

        <span class="navbar-toggler-icon"></span>

      </button>

      <div class="collapse navbar-collapse" id="mainNavBar">

        <div class="navbar-nav">

          <a class="nav-item nav-link" href="#">Section 1</a>

        </div>

      </div>

    </nav>



    <div class="container-fluid d-flex h-100">

      <div class="row flex-fill">

        <!--Main Content-->

        <div class="col-md-8">

          <div class="row h-100">

            <div id="mainSection" class="col-md-12 d-flex flex-column flex-fill">

              <div class="h-100"><!-- <<<Mentioned Wrapper -->

                <div id="section1" class="h-100 bg-warning">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

                <div id="section2" class="h-100 bg-success">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

              </div>

            </div>

          </div>

        </div>



        <!-- Profile Bar-->

        <div class="col-md-4">

          <div class="h-100 position-fixed" style="border:1px solid yellowgreen;">

            <p>Hi I am Darky</p>

            <p>

              Introduction 1:



              Hinc omittam inciderint eu duo, nisl doctus no duo, oratio quidam concludaturque cu vix. Te sea

              voluptatibus delicatissimi, nec ex habeo alienum efficiendi, id quis ludus detracto sit. Has ei libris

              patrioque, habeo corpora blandit id qui. Solum alterum blandit an quo. Vel modus novum nominavi eu, sit

              partem electram ea. Sit vero temporibus ne, sea cu justo dicit accusam.

            </p>

          </div>

        </div>

      </div>

    </div>

  </div>

</body>

Updated Question 18/11/2018

So my question is:

I don't understand why the mentioned wrapper <div class="h-100"> is able to help section1 and section2 to be 100% height of 'mainSection' each.

Am I using the mentioned wrapper <div class="h-100"> and flexbox correctly?

edited Nov 18 '18 at 2:17

asked Nov 17 '18 at 18:47

Darky WC

256

I am currently using Bootstrap 4.1.3 for a project.

I have managed to create multiple children with h-100 within a flex-fillwith the help of <div class="h-100"> wrapper.

Is there any better approach in CSS or Bootstrap 4 to achieve multiple child elements with 100% height inside a flex-fill parent that while retaining the responsiveness of Bootstrap 4?

Here is my code pen demo for it.

Here is my sample code:

html,body {

  height:100%;

}

<body>

  <!-- Added Flex -->

  <div class="d-md-flex flex-column h-100">

    <!--p>Nav Bar</p-->

    <!-- Show selection when screen is in medium range-->

    <nav class="navbar navbar-expand-sm navbar-dark bg-dark sticky-top">

      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#mainNavBar" aria-controls="mainNavBar"

        aria-expanded="false" aria-label="Toggle navigation">

        <span class="navbar-toggler-icon"></span>

      </button>

      <div class="collapse navbar-collapse" id="mainNavBar">

        <div class="navbar-nav">

          <a class="nav-item nav-link" href="#">Section 1</a>

        </div>

      </div>

    </nav>



    <div class="container-fluid d-flex h-100">

      <div class="row flex-fill">

        <!--Main Content-->

        <div class="col-md-8">

          <div class="row h-100">

            <div id="mainSection" class="col-md-12 d-flex flex-column flex-fill">

              <div class="h-100"><!-- <<<Mentioned Wrapper -->

                <div id="section1" class="h-100 bg-warning">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

                <div id="section2" class="h-100 bg-success">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

              </div>

            </div>

          </div>

        </div>



        <!-- Profile Bar-->

        <div class="col-md-4">

          <div class="h-100 position-fixed" style="border:1px solid yellowgreen;">

            <p>Hi I am Darky</p>

            <p>

              Introduction 1:



              Hinc omittam inciderint eu duo, nisl doctus no duo, oratio quidam concludaturque cu vix. Te sea

              voluptatibus delicatissimi, nec ex habeo alienum efficiendi, id quis ludus detracto sit. Has ei libris

              patrioque, habeo corpora blandit id qui. Solum alterum blandit an quo. Vel modus novum nominavi eu, sit

              partem electram ea. Sit vero temporibus ne, sea cu justo dicit accusam.

            </p>

          </div>

        </div>

      </div>

    </div>

  </div>

</body>

Updated Question 18/11/2018

So my question is:

I don't understand why the mentioned wrapper <div class="h-100"> is able to help section1 and section2 to be 100% height of 'mainSection' each.

Am I using the mentioned wrapper <div class="h-100"> and flexbox correctly?

html,body {

  height:100%;

}

<body>

  <!-- Added Flex -->

  <div class="d-md-flex flex-column h-100">

    <!--p>Nav Bar</p-->

    <!-- Show selection when screen is in medium range-->

    <nav class="navbar navbar-expand-sm navbar-dark bg-dark sticky-top">

      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#mainNavBar" aria-controls="mainNavBar"

        aria-expanded="false" aria-label="Toggle navigation">

        <span class="navbar-toggler-icon"></span>

      </button>

      <div class="collapse navbar-collapse" id="mainNavBar">

        <div class="navbar-nav">

          <a class="nav-item nav-link" href="#">Section 1</a>

        </div>

      </div>

    </nav>



    <div class="container-fluid d-flex h-100">

      <div class="row flex-fill">

        <!--Main Content-->

        <div class="col-md-8">

          <div class="row h-100">

            <div id="mainSection" class="col-md-12 d-flex flex-column flex-fill">

              <div class="h-100"><!-- <<<Mentioned Wrapper -->

                <div id="section1" class="h-100 bg-warning">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

                <div id="section2" class="h-100 bg-success">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

              </div>

            </div>

          </div>

        </div>



        <!-- Profile Bar-->

        <div class="col-md-4">

          <div class="h-100 position-fixed" style="border:1px solid yellowgreen;">

            <p>Hi I am Darky</p>

            <p>

              Introduction 1:



              Hinc omittam inciderint eu duo, nisl doctus no duo, oratio quidam concludaturque cu vix. Te sea

              voluptatibus delicatissimi, nec ex habeo alienum efficiendi, id quis ludus detracto sit. Has ei libris

              patrioque, habeo corpora blandit id qui. Solum alterum blandit an quo. Vel modus novum nominavi eu, sit

              partem electram ea. Sit vero temporibus ne, sea cu justo dicit accusam.

            </p>

          </div>

        </div>

      </div>

    </div>

  </div>

</body>

html,body {

  height:100%;

}

<body>

  <!-- Added Flex -->

  <div class="d-md-flex flex-column h-100">

    <!--p>Nav Bar</p-->

    <!-- Show selection when screen is in medium range-->

    <nav class="navbar navbar-expand-sm navbar-dark bg-dark sticky-top">

      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#mainNavBar" aria-controls="mainNavBar"

        aria-expanded="false" aria-label="Toggle navigation">

        <span class="navbar-toggler-icon"></span>

      </button>

      <div class="collapse navbar-collapse" id="mainNavBar">

        <div class="navbar-nav">

          <a class="nav-item nav-link" href="#">Section 1</a>

        </div>

      </div>

    </nav>



    <div class="container-fluid d-flex h-100">

      <div class="row flex-fill">

        <!--Main Content-->

        <div class="col-md-8">

          <div class="row h-100">

            <div id="mainSection" class="col-md-12 d-flex flex-column flex-fill">

              <div class="h-100"><!-- <<<Mentioned Wrapper -->

                <div id="section1" class="h-100 bg-warning">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

                <div id="section2" class="h-100 bg-success">

                  <!--Sample Text-->

                  <p>

                    Lorem ipsum dolor sit amet, eos ne doming equidem persequeris, vis nostro detracto oportere ne, no

                    sit

                    menandri inciderint. Per tacimates salutatus voluptaria ex. An dolor munere sea. Nam et brute

                    noluisse, per

                    modus harum nominati no.

                  </p>

                </div>

              </div>

            </div>

          </div>

        </div>



        <!-- Profile Bar-->

        <div class="col-md-4">

          <div class="h-100 position-fixed" style="border:1px solid yellowgreen;">

            <p>Hi I am Darky</p>

            <p>

              Introduction 1:



              Hinc omittam inciderint eu duo, nisl doctus no duo, oratio quidam concludaturque cu vix. Te sea

              voluptatibus delicatissimi, nec ex habeo alienum efficiendi, id quis ludus detracto sit. Has ei libris

              patrioque, habeo corpora blandit id qui. Solum alterum blandit an quo. Vel modus novum nominavi eu, sit

              partem electram ea. Sit vero temporibus ne, sea cu justo dicit accusam.

            </p>

          </div>

        </div>

      </div>

    </div>

  </div>

</body>

html css css3 flexbox bootstrap-4

edited Nov 18 '18 at 2:17

asked Nov 17 '18 at 18:47

Darky WC

256

edited Nov 18 '18 at 2:17

asked Nov 17 '18 at 18:47

Darky WC

256

edited Nov 18 '18 at 2:17

asked Nov 17 '18 at 18:47

Darky WC

256

asked Nov 17 '18 at 18:47

Darky WC

256

asked Nov 17 '18 at 18:47

Darky WC

256

I checked your codepen and I can't replicate what you mean. i.e. I can't identify the problem. Everything seems to scale appropriately. Could you be a bit more descriptive of the problem and your desired results?

– cmprogram
Nov 17 '18 at 18:52

2

Using height: 100% (h-100) with Flexbox can be counter productive, as Flexbox has built-in features how children can fill their parents height. Flex columns and flex: 1 will do that, and flex rows and its align-items, which default to stretch, has a similar effect. When it comes to your question, please try to narrow it down with a Minimal, Complete, and Verifiable example to enable a more specific answer.

– LGSon
Nov 17 '18 at 20:14

add a comment |

I checked your codepen and I can't replicate what you mean. i.e. I can't identify the problem. Everything seems to scale appropriately. Could you be a bit more descriptive of the problem and your desired results?

– cmprogram
Nov 17 '18 at 18:52

2

Using height: 100% (h-100) with Flexbox can be counter productive, as Flexbox has built-in features how children can fill their parents height. Flex columns and flex: 1 will do that, and flex rows and its align-items, which default to stretch, has a similar effect. When it comes to your question, please try to narrow it down with a Minimal, Complete, and Verifiable example to enable a more specific answer.

– LGSon
Nov 17 '18 at 20:14

I checked your codepen and I can't replicate what you mean. i.e. I can't identify the problem. Everything seems to scale appropriately. Could you be a bit more descriptive of the problem and your desired results?

– cmprogram
Nov 17 '18 at 18:52

Using height: 100% (h-100) with Flexbox can be counter productive, as Flexbox has built-in features how children can fill their parents height. Flex columns and flex: 1 will do that, and flex rows and its align-items, which default to stretch, has a similar effect. When it comes to your question, please try to narrow it down with a Minimal, Complete, and Verifiable example to enable a more specific answer.

– LGSon
Nov 17 '18 at 20:14

add a comment |

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