Bootstrap Carousel image doesn t align properly

Question

Please take a look at the following image  we are using bootstrap carousel to rotate the images  However  when the window width is large  the image doesn t align with the border properly   But the carousel example provided by bootstrap always works fine  no matter the width of the window  Following the code    Can someone explain why carousel is behaving differently  Is this anything to do with Image size or some bootstrap config is missing    lt section id  carousel  gt   lt div class  hero-unit span6 columns  gt       lt h2 gt Welcome to TACT   lt  h2 gt       lt div id  myCarousel  class  carousel  slide   gt         lt  -- Carousel items -- gt         lt div class  carousel-inner  gt           lt div class  item  active   gt               lt img alt     src   eboxapps img 3pp-1 png  gt               lt div class  carousel-caption  gt                   lt h4 gt 1  Need a 3rd party jar  lt  h4 gt               lt  div gt           lt  div gt           lt div class  item  gt               lt img alt     src   eboxapps img 3pp-2 png  gt               lt div class  carousel-caption  gt                   lt h4 gt 2  Create Request lt  h4 gt               lt  div gt           lt  div gt           lt div class  item  gt               lt img alt     src   eboxapps img 3pp-3 png  gt               lt div class  carousel-caption  gt                   lt h4 gt 3  What happens  lt  h4 gt               lt  div gt           lt  div gt           lt div class  item  gt               lt img alt     src   eboxapps img 3pp-4 png  gt               lt div class  carousel-caption  gt                   lt h4 gt 4  Status is Emailed lt  h4 gt               lt  div gt           lt  div gt         lt  div gt         lt  -- Carousel nav -- gt         lt a class  carousel-control left  href   myCarousel  data-slide  prev  gt  amp lsaquo  lt  a gt         lt a class  carousel-control right  href   myCarousel  data-slide  next  gt  amp rsaquo  lt  a gt       lt  div gt   lt  div gt

User · Answer

I faced the same problem and solved it this way: It's possible to insert non-image content to Carousel, so we can use it. You should first insert div.inner-item (where you will make center alignment), and then insert image inside this div.

Here is my code (Ruby):

<div id="myCarousel" class="carousel slide">
    <!-- Carousel items -->
    <div class="carousel-inner">
        <div class="active item">
            <%= image_tag "couples/1.jpg" %>
        </div> 
        <% (2..55).each do |t|%>
            <div class="item">
                <div class='inner-item'>
                    <%= image_tag "couples/#{t}.jpg" %>
                </div>
            </div> 
        <% end -%>
    </div>
    <!-- Carousel nav -->
    <a class="carousel-control left" href="#myCarousel" data-slide="prev">&lsaquo;</a>
    <a class="carousel-control right" href="#myCarousel" data-slide="next">&rsaquo;</a>
</div>

And my css-code(.scss):

.inner-item {
    text-align: center;
    img {
        margin: 0 auto;
    }
}

User · Answer

With bootstrap 3  just add the responsive and center classes     lt img class  img-responsive center-block  src  img     jpg  alt  First slide  gt    This automatically does image resizing  and centers the picture   Edit   With bootstrap 4  just add the img-fluid class   lt img class  img-fluid  src  img     jpg  gt

User · Answer

It could have something to do with your styles   In my case  I am using a link within the parent  item  div  so I had to change my stylesheet to say the following    carousel  item a  gt  img     display  block    line-height  1      under the preexisting boostrap code    carousel  item  gt  img     display  block    line-height  1      and my image looks like    lt div class  active item  id  2  gt  lt a href  http   epdining com eats php place TestRestaurant1  gt  lt img src  rimages 2 jpg  gt  lt  a gt  lt div class  carousel-caption  gt  lt p gt This restaurant is featured blah blah blah blah blah  lt  p gt  lt  div gt  lt  div gt

User · Answer

Try this       item img        max-height  300px        margin  auto

User · Answer

In Bootstrap 4  you can add mx-auto class to your img tag   For instance  if your image has a width of 75   it should look like this    lt img class  d-block w-75 mx-auto  src  image jpg  alt  First slide  gt    Bootstrap will automatically translate mx-auto to   ml-auto   mx-auto       margin-left  auto  important      mr-auto   mx-auto       margin-right  auto  important

User · Answer

Does your images have exactly a 460px width as the span6   In my case  with different image sizes  I put a height attribute on my images to be sure they are all the same height and the carousel don t resize between images   In your case  try to set a height so the ratio between this height and the width of your carousel-inner div is the same as the aspectRatio of your images

User · Answer

For the carousel  I believe all images have to be exactly the same height and width     Also  when you refer back to the scaffolding page from bootstrap  I m pretty sure that span16   940px   With this in mind  I think we can assume that if you have a    lt div class  row  gt        lt div class  span4  gt            lt  --left content div guessing around 235px in width -- gt        lt  div gt        lt div class  span8  gt           lt  --right content div guessing around 470px in width -- gt        lt  div gt   lt  div gt    So yes  you have to be careful when setting the spans space within a row because if the image width is to large  it will send your div over into the next  row  and that is no fun  P  Link 1

User · Answer

I think I have a solution   In your personal style sheet page  assign the width  amp  height to match your image dimensions   Create an additional separate  class  on that top div that appropriates the space with spans    Shown below             lt div class  span6 columns  class  carousel  gt               lt div id  myCarousel  class  carousel slide  gt                   lt div class  carousel-inner  gt                   lt div class  item active  gt    Without touching the bootstrap css  in your own style sheet  call  carousel  or whatever label you choose  to match the width and height of your original pix    carousel                     width  320px              height  200px       So in my case  I am using small 320x200 images to carousel with   There is probably preset dimensions in the bootstrap css  but I don t like changing that so I can try to stay current with future releases   Hope this helps

User · Answer

Insert this on the css parent div class where your carousel is     lt div class  parent div  gt        lt div id  myCarousel  class  carousel slide  gt               lt div class  carousel-inner  gt                 lt div class  item active  gt                   lt img src  assets img slider 1 png  alt    gt                   lt div class  carousel-caption  gt                   lt  div gt                 lt  div gt               lt  div gt        lt  div gt         lt  div gt    CSS   parent div    margin  0 auto  min-width   desired width   max-width   desired width

User · Answer

The solution is to put this CSS code into your custom CSS file    carousel-inner  gt   item  gt  img     margin  0 auto

User · Answer

Art L  Richards  s solution didn t work out  now in bootstrap css  original code has become like this    carousel  item  gt  img     display  block    line-height  1       rnaka530  s code would break the fluid feature of bootstrap   I don t have a good solution but I did fix it  I observed the bootstrap s carousel example very carefully http   twitter github com bootstrap javascript html carousel    I find out that img width has to be larger than the grid width  In span9  width is up to 870px  so you have to prepare a image larger than 870px  If you have more container outside the img  as all the container has border or margin something  you can use image with smaller width

User · Answer

I am facing the same problem with you  Based on the hint of  thuliha  the following codes has solved my issues   In the html file  modify as the following sample    lt img class  img-responsive center-block  src       png  alt  Third slide  gt    In the carousel css  modify the class    carousel  item     text-align  center    height  470px    background-color   777

User · Answer

While vekozlov s answer will work in Bootstrap 3 to center your image  it will break when the carousel is scaled down  the image retains its size instead of scaling down with the carousel   Instead  do this on the top-level carousel div    lt div id  my-carousel  class  carousel slide      style  max-width  900px  margin  0 auto  gt           lt  div gt    This will center the entire carousel and prevent it from growing beyond the width of your images  i e  900 px or whatever you want to set it to   However  when the carousel is scaled down the images scale down with it   You should put this styling info in your CSS LESS file  of course

[javascript] Bootstrap Carousel image doesn't align properly

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