요소가 확장되어야 하는 열 수를 설정하려면 column-span 속성을 사용합니다. column-span 속성을 구현하기 위해 다음 코드를 실행할 수 있습니다.
예시
<!DOCTYPE html>
<html>
<head>
<style>
.demo {
column-count: 4;
column-rule-color: maroon;
column-rule-style: dashed;
}
h1 {
column-span: all;
}
</style>
</head>
<body>
<div class = "demo">
<h1>This is our heading.</h1>
This is demo text. This is demo text. This is demo text. This is demo text.
This is demo text. This is demo text. This is demo text. This is demo text.
This is demo text. This is demo text. This is demo text. This is demo text.
This is demo text. This is demo text. This is demo text. This is demo text.
This is demo text. This is demo text. This is demo text. This is demo text.
This is demo text. This is demo text. This is demo text. This is demo text.
This is demo text. This is demo text. This is demo text. This is demo text.
</div>
</body>
</html>