.ba_hdr_back {
background-image: url(images/ba_hdr_back.gif);
background-repeat: no-repeat;
/*background-size: 170px */
}

.ba_menu_back {
background-image: url(images/ba_menu_back.gif);
/*background-repeat: no-repeat;*/
}

.menu1{
background-image:url(images/ba_home_button.gif);
/*background-size:160px; */
background-repeat: no-repeat;
margin-left:10px;
/*padding-left:20px;
padding-top:2px;
padding-bottom: 1px;*/
display:block;
text-decoration: none;
height: 55px; 
}

.submenu{
background-image: url(images/submenu.gif);
/*background-size:150px; */
background-repeat: no-repeat;
display: block;
height: 40px;
margin-left: 40px;
margin-top:0px
/*padding-left: 7px; */
}
.hide{
display: none;
}
.show{
display: block;
}

.infrastructure_submenu{
background-image: url(images/ba_home_sub_button.gif);
background-size:150px;
background-repeat: no-repeat;
display: block;
height: 40px;
margin-left: 40px;
padding-top: 5px;
padding-left: 7px;
}

.products_submenu{
background-image: url(images/ba_products_sub_button.gif);
background-size:150px;
background-repeat: no-repeat;
display: block;
height: 32px;
margin-left: 40px;
padding-top: 5px;
padding-left: 7px;
}

.security_submenu{
background-image: url(images/ba_security_sub_button.gif);
background-size:150px;
background-repeat: no-repeat;
display: block;
height: 32px;
margin-left: 40px;
padding-top: 5px;
padding-left: 7px;
}

.advantage_submenu{
background-image: url(images/ba_advantage_sub_button.gif);
background-size:150px;
background-repeat: no-repeat;
display: block;
height: 32px;
margin-left: 40px;
padding-top: 5px;
padding-left: 7px;
}

.contact_submenu{
background-image: url(images/ba_contact_sub_button.gif);
background-size:150px;
background-repeat: no-repeat;
display: block;
height: 32px;
margin-left: 40px;
padding-top: 5px;
padding-left: 7px;
}