How to set the column width of Globally all Classic /IR Report in Oracle Apex

#  Report Column (only column): 

1. Column Formatting > HTML Expression
 <span style="display:block; width: 200px">#COLUMN_NAME#</span>

2. Column Formatting > HTML Expression
<span><div style="overflow:auto; overflow-x:hidden; height: 150px; width: 150px;">#COLUMN_NAME# </span>


# Globally(all page in application):

    Go to Theme Roller Custom CSS Paste table , th , td {white-space : nowrap}



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What Is the Tag?

The <td> tag, or "table data" tag, creates table cells within a table row in an HTML table. This is the HTML tag that contains any text and images. Basically, this is the workhouse tags of your table. The tags will contain the content of the HTML table.

What Is the Tag

The <th> tag, or "table header", is similar to the <td> in many ways. It can contain the same kind of information (although you wouldn't put an image in a <th>), but it defines that specific cell as a table header.

Most Web browsers change the font weight to bold and center the content in a cell. Of course, you can use CSS styles to make those table headers, as well as the contents of your tags, look any way that you would like them to look on the rendered webpage.