/*banner header*/
.header {background:url('/images/site/banner/cirugia-dermatologica-1170.jpg') top center no-repeat;}
.res940 .header {background:url('/images/site/banner/cirugia-dermatologica-940.jpg') top center no-repeat;}
.res720 .header {background:url('/images/site/banner/cirugia-dermatologica-720.jpg') top center no-repeat;}
.res480 .header {background:url('/images/site/banner/cirugia-dermatologica-480.jpg') top center no-repeat;}
.res320 .header {background:url('/images/site/banner/cirugia-dermatologica-320.jpg') top center no-repeat;}