Question

I need to set specific width and height of image (in css), with jquery, but only for first image in one div. Is it posibble?

Answer 1

#your_div is refers to div that contains image, may be you’ve something else.

$('#your_div img:first').css({
   height: 200, // also use '200px' or something other
   width: 200  // '200px' or something other
});

alternative of img:first is img:eq(0).

Read about jQuery :first and :eq()