Announcements - set column width in the standard web part

Hi All,

could you please help, if it is possible to set the column with of the standard Announcements web part in Shared Point?

Current view:

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Expected:

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Is it possible without creating custom templates / etc? Only to adjust the standard xml schema?

<TemplateName
xmlns="http://schemas.microsoft.com/WebPart/v2/ListForm"
>ListForm</TemplateName>