html,body {
    background: #ffff00;
     
}

.t3, .t4, .t6_2_2, .footer, ul.dropdown li{
    background: URL(/images/menu_fons.gif) ;

}

.t1 {
    background: URL(images/t1_lightgreen.gif) center center no-repeat;
}

.t2 {
    background: URL(images/t2_lightgreen.gif) center center no-repeat;
}

.t5 {
    background: URL(images/t5_lightgreen.gif) center center no-repeat;
}

.t6_2_1 {
    background: URL(images/t6_2_1_lightgreen.gif) center center no-repeat;
}

.t6_2_3 {
    background: URL(images/t6_2_3_lightgreen.gif) center center no-repeat;
}