#m-home {
	background-image: url(../i/mi/m_home.gif);
}
#m-mission {
	background-image: url(../i/mi/m_mission.gif);
}
#m-center {
	background-image: url(../i/mi/m_center.gif);
}
#m-lab {
	background-image: url(../i/mi/m_lab.gif);
}
#m-boat {
	background-image: url(../i/mi/m_boat.gif);
}
#m-contact {
	background-image: url(../i/mi/m_contact.gif);
}