[html] Apply style to cells of first row

It should be very simple but I can't figure it out.

I have a table like this :

<table class="category_table">
 <tr><td> blabla 1</td><td> blabla 2 </td></tr>
 <tr><td> blabla 3 </td><td> blabla 4 </td></tr>

I want to make td tags of first tr row have vertical-align. But not the second row.

.category_table td{

This question is related to html css css-selectors html-table

The answer is

Use tr:first-child to take the first tr:

.category_table tr:first-child td {
    vertical-align: top;

If you have nested tables, and you don't want to apply styles to the inner rows, add some child selectors so only the top-level tds in the first top-level tr get the styles:

.category_table > tbody > tr:first-child > td {
    vertical-align: top;

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