Use inline styles

Technologies > User Interface Add-Ins > Parts for Forms > Inline CSS Style and Accessing Aliased Fields

Set the style attribute of a field:

<field table="wr" name="description" alias="wr.description.copy" style="width:150px;" />

View: http://localhost:8080/archibus/schema/ab-products/solutions/parts/form/ab-ex-form-panel-input-values.axvw