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.cat-28 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -100% -100%;}
.cat-29 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -200% 0%;}
.cat-30 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -200% -100%;}
.cat-31 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: 0% -200%;}
.cat-32 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -100% -200%;}
.cat-33 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -200% -200%;}
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.cat-37 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: 0% 0%;}
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.cat-39 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -200% -300%;}
.cat-40 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -300% -300%;}
.cat-41 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -400% 0%;}
.cat-42 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -400% -100%;}
.cat-43 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -400% -200%;}
.cat-44 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -400% -300%;}
.cat-45 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: 0% -400%;}
.cat-46 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -100% -400%;}
.cat-47 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -200% -400%;}
.cat-48 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -300% -400%;}
.cat-49 { background-image: url(sprite25-49.png); width: 100%; height: 0; padding-bottom: 100%; background-size: 500% 500%; background-position: -400% -400%;}