Use column formatting to customize SharePoint

You can use column formatting to customize how fields in SharePoint lists and libraries are displayed. To do this, you construct a JSON object that describes the elements that are displayed when a field is included in a list view, and the styles to be applied to those elements. The column formatting doesn't change the data in the list item or file; it only changes how it’s displayed to users who b

[TakamiChie]

SharePointでセルの装飾などに使えるCSSクラスの一覧。地味に役に立つ[Reference]

[hiroomi]

“列の書式設定を使用して、SharePointリストおよびライブラリのフィールドの表示方法をカスタマイズできます。”