/* sistema de ar */

/* header */
h3.header {background:url(../images/header-qualidadedoar.gif) no-repeat; display:block; width:908px; height:102px; text-indent:-9999px; overflow:hidden; clear:both; margin:20px 0 0 0;}
/* content */
.submenu {background:url(../images/submenu-azul2.gif) no-repeat; display:block; float:left; width:210px; height:358px;}
.submenu ul {width:159px; margin:38px 0 0 28px; display:block;}
.submenu a {display:block; width:159px; height:16px; overflow:hidden; text-indent:-9999px;}
.submenu li {margin:0 0 4px 0;}
.submenu li.apres {background:url(../images/btn-qualidadedoar.gif) 0 0;}
.submenu li.produ {background:url(../images/btn-qualidadedoar.gif) 0 -32px;}
.submenu li.scmd {background:url(../images/btn-qualidadedoar.gif) 0 -64px;}
.submenu li.apres:hover {background:url(../images/btn-qualidadedoar.gif) 0 -16px;}
.submenu li.produ:hover {background:url(../images/btn-qualidadedoar.gif) 0 -48px;}
.submenu li.scmd:hover {background:url(../images/btn-qualidadedoar.gif) 0 -80px;}