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.l04:hover{background-image:url(works/patio/p04.jpg);}
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.l08:hover{background-image:url(works/patio/p08.jpg);}
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.l10:hover{background-image:url(works/patio/p10.jpg);}
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.l17:hover{background-image:url(works/patio/p17.jpg);}
.l18:hover{background-image:url(works/patio/p18.jpg);}
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.l20:hover{background-image:url(works/patio/p20.jpg);}