Gets the value of "column-span"
String get columnSpan => getPropertyValue('column-span');
Sets the value of "column-span"
set columnSpan(String value) { setProperty('column-span', value, ''); }
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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.5.0/dart-html/CssStyleDeclarationBase/columnSpan.html