How to apply a particular stylesheet class to a table when there are already "table,td,tr" selectors style specified in stylesheet?

I have CSS file in which I have the following styles already applied:-

table{...}  
table td{...}

It gets applied on all the tables. But I want to change the style of some particular tables. I created a new class and applied it to those tables. But the tables still get their styles from the above selectors, not from the class applied开发者_如何学JAVA.

Some styles may not be inherited by a table's children when you select table.yourclass alone, whether the class selector is there or not.

You need to apply them to table.yourclass tr, table.yourclass th and/or table.yourclass td.