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CSS Property:
background-position:
left top
left center
left bottom
right top
right center
right bottom
center top
center center
center bottom
50% 50%
25% 75%
10px 200px
50px 50px
initial
Result:
CSS Code:

    div {
        background-image:url('smiley.gif');
        background-repeat:no-repeat;
        background-position:left top;
    }

Click the property values above to see the result
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