How i can change the colors of rows in one table ... (css)

First write in file .css the following code:

.buttonRollover {

background-color: #CCFFFF;

border: 1px #000000 solid;

}

Affter this you can reference your table in Html file like that:

Example
line 1
line 2

"<table><tbody><tr class="buttonRollover " onmouseover="style.backgroundColor='#CCCCCC';" onmouseout="style.backgroundColor='#CCCCFF'" style="background-color: rgb(204, 204, 255); "><th>Example</th></tr><tr class="buttonRollover " onmouseover="style.backgroundColor='#CCCCCC';" onmouseout="style.backgroundColor='#CCCCFF'" style="background-color: rgb(204, 204, 255); "><td>line 1</td></tr><tr class="buttonRollover " onmouseover="style.backgroundColor='#CCCCCC';" onmouseout="style.backgroundColor='#CCCCFF'" style="background-color: rgb(204, 204, 255); "><td>line 2</td></tr></tbody></table>"

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