Why is relative positioning invalid in IE7?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>page title</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head><body> <style type="text/css"> *{margin:0;padding:0;} body{padding:20px;} .btns_line { padding-bottom:1px; text-align:center; word-spacing:-6px; } .btn{ position:relative; display:inline-block; } .btn:hover{ top:1px; } .btn_wood{background-color:tan;margin-left:5px;} </style> <div class="btns_line"> <a href="#" class="btn btn_wood"><span><em class="icon"></em>Keep Me in</span></a> <a href="#" class="btn btn_wood"><span><em class="icon"></em>Keep Me in</span></a> </div></body></html> .btn{
position:relative;
}
.btn: hover{
.
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