.nav1 {background: url(../images/nav-en/nav-home-page.png) no-repeat top left;width: 123px;}
.nav2 {background: url(../images/nav-en/nav-about-us.png) no-repeat top left;width: 138px;}
.nav3 {background: url(../images/nav-en/nav-logistics.png) no-repeat top left;width: 140px;}
.nav4 {background: url(../images/nav-en/nav-trading.png) no-repeat top left;width: 127px;}
.nav5 {background: url(../images/nav-en/nav-useful-info.png) no-repeat top left;width: 142px;}
.nav6 {background: url(../images/nav-en/nav-contact-us.png) no-repeat top left;width: 160px;}