An example of this is shown in the CSS file to style all the columns in a table, for example, in , by assigning a particular cell padding.
例如，对一个表格中的所有列应用相同的单元格填充（padding）。
The padding amount specified is added to all four sides of the cell.
指定的填充量将添加到单元格的四条边。
The padding amount specified is added to all four sides of a cell.
将指定的填补量加入储存格四边。
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