これは機能していません
$(".text_read:nth-child(2)").css("background", "transparent url('images/text_read2.png') no-repeat");
上記のコードの結果は、以下のコードと同じです
$(".text_read").css("background", "transparent url('images/text_read2.png') no-repeat");
そして私のHTMLコードは
<div class="welcome">
<p class="welcometext">MORE UPCOMING NEWS FOR INTERNATIONAL EVENTS</p>
<div class="all_international_img row-fluid">
<div class="welcome-image span4 international_img">
<img src="images/img1.png">
<div class="text_read">Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a </div>
</div><!--all_international_img row-fluid-->
<div class="welcome-image span4 international_img">
<img src="images/img1.png">
<div class="text_read">Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a </div>
</div><!--all_international_img row-fluid-->
<div class="welcome-image span4 international_img">
<img src="images/img1.png">
<div class="text_read">Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a </div>
</div><!--all_international_img row-fluid-->
</div><!--all_international_img-->
</div><!--welcome-->