Use of css selectors

Under this line of code :

$profile_pic_btn = '<a href="#" >Change Avatar picture</a>';

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I have add next:

$changePass_btn = '<a href="change_2.php">Change password</a>';

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And here is the css for first "a"line. It positions  the link text "Change Avatar picture" under the  picture. How to change  element selector to so i might the target the second "a" with cass and position the second a link under the first one?

div#profile_pic_box > a {
	display: blok;
	position:absolute; 
	margin:205px 0px 0px 60px;
	z-index:4000;
	border-radius:1px;
	padding:5px;
	font-size:12px;
	text-decoration:none;
	color:#60750B;}

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