Table column sizing

Question

In Bootstrap 3   I could apply col-sm-xx to the th tags in the thead and resize table columns at will  However this doesn t work in bootstrap 4  How can I achieve something like this in bootstrap 4    lt thead gt   lt th class  col-sm-3  gt 3 columns wide lt  th gt   lt th class  col-sm-5  gt 5 columns wide lt  th gt   lt th class  col-sm-4  gt 4 columns wide lt  th gt   lt  thead gt    Looking at the codeply provided it doesn t size properly  especially if you add some data to the table  See how this runs    lt div class  container  style  border  1px solid black   gt       lt table class  table table-bordered  gt       lt thead gt           lt tr class  row  gt               lt th class  col-sm-3  gt 3 columns wide lt  th gt               lt th class  col-sm-5  gt 5 columns wide lt  th gt               lt th class  col-sm-4  gt 4 columns wide lt  th gt           lt  tr gt       lt  thead gt       lt tbody gt           lt tr gt               lt td gt 123 lt  td gt               lt td gt 456 lt  td gt               lt td gt 789 lt  td gt           lt  tr gt       lt  tbody gt   lt  table gt   lt  div gt

User · Accepted Answer

Updated 2018  Make sure your table includes the table class  This is because Bootstrap 4 tables are  opt-in  so the table class must be intentionally added to the table   http   codeply com go zJLXypKZxL  Bootstrap 3 x also had some CSS to reset the table cells so that they don t float    table td class  col-   table th class  col-        position  static      display  table-cell      float  none      I don t know why this isn t is Bootstrap 4 alpha  but it may be added back in the final release  Adding this CSS will help all columns to use the widths set in the thead    Bootstrap 4 Alpha 2 Demo    UPDATE  as of Bootstrap 4 0 0   Now that Bootstrap 4 is flexbox  the table cells will not assume the correct width when adding col-   A workaround is to use the d-inline-block class on the table cells to prevent the default display flex of columns   Another option in BS4 is to use the sizing utils classes for width      lt thead gt        lt tr gt              lt th class  w-25  gt 25 lt  th gt              lt th class  w-50  gt 50 lt  th gt              lt th class  w-25  gt 25 lt  th gt        lt  tr gt   lt  thead gt    Bootstrap 4 Alpha 6 Demo  Lastly  you could use d-flex on the table rows  tr   and the col-  grid classes on the columns  th td       lt table class  table table-bordered  gt           lt thead gt               lt tr class  d-flex  gt                   lt th class  col-3  gt 25  lt  th gt                   lt th class  col-3  gt 25  lt  th gt                   lt th class  col-6  gt 50  lt  th gt               lt  tr gt           lt  thead gt           lt tbody gt               lt tr class  d-flex  gt                   lt td class  col-sm-3  gt    lt  td gt                   lt td class  col-sm-3  gt    lt  td gt                   lt td class  col-sm-6  gt    lt  td gt               lt  tr gt           lt  tbody gt       lt  table gt    Bootstrap 4 0 0  stable  Demo  Note  Changing the TR to display flex can alter the borders

User · Answer

Using d-flex class works well but some other attributes don t work anymore like vertical-align  middle property   The best way I found to size columns very easily is to use the width attribute with percentage only in thead cells    lt table class  table  gt       lt thead gt           lt tr gt               lt th width  25   gt 25  lt  th gt               lt th width  25   gt 25  lt  th gt               lt th width  50   gt 50  lt  th gt           lt  tr gt       lt  thead gt       lt tbody gt           lt tr gt               lt td gt 25  lt  td gt               lt td gt 25  lt  td gt               lt td gt 50  lt  td gt           lt  tr gt       lt  tbody gt   lt  table gt

User · Answer

Disclaimer  This answer may be a bit old  Since the bootstrap 4 beta  Bootstrap has changed since then    The table column size class has been changed from this   lt th class  col-sm-3  gt 3 columns wide lt  th gt    to   lt th class  col-3  gt 3 columns wide lt  th gt

User · Answer

I hacked this out for release Bootstrap 4 1 1 per my needs before I saw  florian korner s post   Looks very similar     If you use sass you can paste this snippet at the end of your bootstrap includes    It seems to fix the issue for chrome  IE  and edge   Does not seem to break anything in firefox    mixin make-td-col  size   columns   grid-columns        width  percentage  size    columns       each  breakpoint in map-keys  grid-breakpoints         infix  breakpoint-infix  breakpoint   grid-breakpoints         for  i from 1 through  grid-columns           td col   infix -   i   th col   infix -   i                 include make-td-col  i   grid-columns                       or if you just want the compiled css utility   td col-1  th col-1     width  8 33333      td col-2  th col-2     width  16 66667      td col-3  th col-3     width  25      td col-4  th col-4     width  33 33333      td col-5  th col-5     width  41 66667      td col-6  th col-6     width  50      td col-7  th col-7     width  58 33333      td col-8  th col-8     width  66 66667      td col-9  th col-9     width  75      td col-10  th col-10     width  83 33333      td col-11  th col-11     width  91 66667      td col-12  th col-12     width  100      td col-sm-1  th col-sm-1     width  8 33333      td col-sm-2  th col-sm-2     width  16 66667      td col-sm-3  th col-sm-3     width  25      td col-sm-4  th col-sm-4     width  33 33333      td col-sm-5  th col-sm-5     width  41 66667      td col-sm-6  th col-sm-6     width  50      td col-sm-7  th col-sm-7     width  58 33333      td col-sm-8  th col-sm-8     width  66 66667      td col-sm-9  th col-sm-9     width  75      td col-sm-10  th col-sm-10     width  83 33333      td col-sm-11  th col-sm-11     width  91 66667      td col-sm-12  th col-sm-12     width  100      td col-md-1  th col-md-1     width  8 33333      td col-md-2  th col-md-2     width  16 66667      td col-md-3  th col-md-3     width  25      td col-md-4  th col-md-4     width  33 33333      td col-md-5  th col-md-5     width  41 66667      td col-md-6  th col-md-6     width  50      td col-md-7  th col-md-7     width  58 33333      td col-md-8  th col-md-8     width  66 66667      td col-md-9  th col-md-9     width  75      td col-md-10  th col-md-10     width  83 33333      td col-md-11  th col-md-11     width  91 66667      td col-md-12  th col-md-12     width  100      td col-lg-1  th col-lg-1     width  8 33333      td col-lg-2  th col-lg-2     width  16 66667      td col-lg-3  th col-lg-3     width  25      td col-lg-4  th col-lg-4     width  33 33333      td col-lg-5  th col-lg-5     width  41 66667      td col-lg-6  th col-lg-6     width  50      td col-lg-7  th col-lg-7     width  58 33333      td col-lg-8  th col-lg-8     width  66 66667      td col-lg-9  th col-lg-9     width  75      td col-lg-10  th col-lg-10     width  83 33333      td col-lg-11  th col-lg-11     width  91 66667      td col-lg-12  th col-lg-12     width  100      td col-xl-1  th col-xl-1     width  8 33333      td col-xl-2  th col-xl-2     width  16 66667      td col-xl-3  th col-xl-3     width  25      td col-xl-4  th col-xl-4     width  33 33333      td col-xl-5  th col-xl-5     width  41 66667      td col-xl-6  th col-xl-6     width  50      td col-xl-7  th col-xl-7     width  58 33333      td col-xl-8  th col-xl-8     width  66 66667      td col-xl-9  th col-xl-9     width  75      td col-xl-10  th col-xl-10     width  83 33333      td col-xl-11  th col-xl-11     width  91 66667      td col-xl-12  th col-xl-12     width  100

User · Answer

As of Alpha 6 you can create the following sass file    each  breakpoint in map-keys  grid-breakpoints       infix  breakpoint-infix  breakpoint   grid-breakpoints      col  td  th        for  i from 1 through  grid-columns            amp  col   infix -   i              flex  none            position  initial                        include media-breakpoint-up  breakpoint   grid-breakpoints           for  i from 1 through  grid-columns            amp  col   infix -   i              width  100     grid-columns    i

User · Answer

Another option is to apply flex styling at the table row  and add the col-classes to the table header   table data elements    lt table gt     lt thead gt       lt tr class  d-flex  gt         lt th class  col-3  gt 3 columns wide header lt  th gt         lt th class  col-sm-5  gt 5 columns wide header lt  th gt         lt th class  col-sm-4  gt 4 columns wide header lt  th gt       lt  tr gt     lt  thead gt     lt tbody gt       lt tr class  d-flex  gt         lt td class  col-3  gt 3 columns wide content lt  th gt         lt td class  col-sm-5  gt 5 columns wide content lt  th gt         lt td class  col-sm-4  gt 4 columns wide content lt  th gt       lt  tr gt     lt  tbody gt   lt  table gt

User · Answer

I can resolve this problem using the following code using Bootstrap 4    lt table class  table  gt     lt tbody gt       lt tr class  d-flex  gt         lt th class  col-3  scope  row  gt Indicador  lt  th gt         lt td class  col-9  gt this is my indicator lt  td gt       lt  tr gt        lt tr class  d-flex  gt         lt th class  col-3  scope  row  gt Definici  n  lt  th gt         lt td class  col-9  gt This is my definition lt  td gt       lt  tr gt      lt  tbody gt   lt  table gt

[css] Table column sizing

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