Background Image – Tiled

I did do a search, but have found so many answers my head is spining! I also looked on the support documents and tried the solution there, but it did not work for me.

I edited my stylesheet accordingly, but the image does not show up. What am i doing wrong here??? Thanks in advance for the help!!!
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body {
background-image: url(‘http://www.dunesafe.com/images/bak.gif’);
font-size: 62.5%; /* Resets 1em to 10px */
font-family: ‘Lucida Grande’, Verdana, Arial, Sans-Serif;
background-color: #484848;
color: #333;
text-align: center;
}

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How it looks:
http://dunesafe.com/blogs/
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How i want the background to look:
http://www.dunesafe.com/forums/
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