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img.emoticon_07 { background: url('sprite.png') no-repeat top left; background-position: 0 -240px; width: 18px; height: 18px;} 
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img.emoticon_23 { background: url('sprite.png') no-repeat top left; background-position: 0 -880px; width: 18px; height: 18px;} 
img.emoticon_24 { background: url('sprite.png') no-repeat top left; background-position: 0 -920px; width: 18px; height: 18px;}