.mainbox1 {
    background: url('http://images4.wikia.nocookie.net/internationalization/images//e/e9/Main01.png');
    background-repeat: no-repeat;
    background-position: bottom right;
}

.mainbox2 {
    background: url('http://images2.wikia.nocookie.net/internationalization/images//4/47/Main02.png');
    background-repeat: no-repeat;
    background-position: bottom right;
}

.mainbox3 {
    background: url('http://images3.wikia.nocookie.net/internationalization/images//c/ca/Main03.png');
    background-repeat: no-repeat;
    background-position: bottom right;
}