Template:Table alignment Source: en.wikipedia.org/wiki/Template:Table_alignment

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This template is used on approximately 2,600 pages and changes may be widely noticed. Test changes in the template's /sandbox or /testcases subpages, or in your own user subpage. Consider discussing changes on the talk page before implementing them.

This template uses TemplateStyles:

Template:Table alignment/tables.css

Purpose

To make it simpler to align the columns in tables with less wikicode.

Usage

Place {{Table alignment}} just before the table and then add some classes to the table.

classname	Purpose
`defaultleft`	Align all table cells left by default
`defaultcenter`	Align all table cells center by default
`defaultright`	Align all table cells right by default
`colNleft`	Align the cells in column N left, where N is a number
`colNcenter`	Align the cells in column N center, where N is a number
`colNright`	Align the cells in column N right, where N is a number

With the wikitable class the header cell content is always centered unless individually adjusted.

The col and default classes never affect the header cells (column, row, or anywhere) if the wikitable class is used. The col class overrides the default class.

If the wikitable class is not used, then col and default affect header cells.

Limitations

Column numbers up to col29 are supported. A table can have more columns but they cannot be aligned with this method.
On tables using rowspan or colspan, using the classes may not work well on those rows because the alignment appears in wrong cells. Normal table code like style="text-align: left/center/right;"| cell content can be added to individual cells, both to get the wanted alignment and override unwanted alignment.

Example

{{Table alignment}}
{| class="wikitable defaultcenter col1left col4right"
!Item1
!Item2
!Item3
!Item4
|-
|AAAAAA
|100-200
|3-4
|53.43
|-
|BBB
|5-6
|7-8
|5563.35
|-
|CC
|9-10
|113-125
|322313.00
|}

Item1	Item2	Item3	Item4
AAAAAA	100-200	3-4	53.43
BBB	5-6	7-8	5563.35
CC	9-10	113-125	322313.00

Align a column of row headers

With the wikitable class the header cell content is always centered unless individually adjusted. So the template is no help with row header cells in this case.

Instead do a mass search-and-replace to add style=text-align:left to each row header cell. To do so be sure the table is in a separate article section, or in a sandbox. Click on the wikitext source editing link. Click on "Advanced" in the editing toolbar. Then click on the "search and replace" icon on the right. Fill in the "Search for" box with:

!

Fill in the "Replace with" box with:

! style=text-align:left|

Make sure all the option boxes are unchecked. Then click "Replace all".

Preview the page. Remove style=text-align:left| from the column headers. An easier way may be to cut out the top headers before the search-and-replace, and park them in Notepad or elsewhere.

Other individual cell adjustments may be needed. Publish the page.

{{sticky header}} - Makes column headers stick to the top of the page while scrolling through table data.
{{sticky table start}} - allows sticky rows and columns inside a scrollable area.
{{sort under}} - moves the sorting arrows under the headers.
{{row hover highlight}} - adds row hover highlighting, and option for white background.
{{static row numbers}} - adds a column of row numbers to a table.

The above documentation is transcluded from Template:Table alignment/doc.
Editors can experiment in this template's sandbox and testcases pages.
Add categories to the /doc subpage. Subpages of this template.