Question from the HTML5/CSS3 test

Given the following HTML code:

<a href="image.jpg" data-type="image"> Link </a>
<a href="image.gif" data-type="image"> Link </a>
<a href="doc.pdf" data-type="doc"> Link </a>
<a href="image.png" data-type="image"> Link </a>

Which of the following CSS selectors can be used to style only the links to image files? (check all valid solutions):

a[href^=".jpg"], a[href^=".png"], a[href^=".gif"]

a[href$=".jpg"], a[href$=".png"], a[href$=".gif"]

a[data-type*="image"]

a[data-type="image"]