.ui-datepicker-next { background:#fff url(../images/site/icones/arrow-right.png) 50% 50% no-repeat;}
.ui-datepicker-prev { background:#fff url(../images/site/icones/arrow-left.png) 50% 50% no-repeat;}
.ui-datepicker-next:hover { background:#fefefe url(../images/site/icones/arrow-right.png) 50% 50% no-repeat; border:none;}
.ui-datepicker-prev:hover { background:#fefefe url(../images/site/icones/arrow-left.png) 50% 50% no-repeat; border:none;}
.ui-datepicker .ui-widget-header .ui-icon { background:none;}
.ui-datepicker .ui-datepicker-next.ui-widget-header .ui-state-hover {  background:#fefefe url(../images/site/icones/arrow-right.png) 50% 50% no-repeat;}