.b-sibnet-head-wrapper {
    background: white;
}
.b-sibnet-head__logo-lego , .b-sibnet-head__logo-lego:visited, .b-sibnet-head__logo-lego:link{
   background: url('/sibnet/logo.png') no-repeat;
    display: inline-block;
    height: 18px;
    margin: 3px 0;
}

.b-sibnet-head__logo-lego_project, .b-sibnet-head__logo-lego_project:visited, .b-sibnet-head__logo-lego_project:link {
    background: url('/sibnet/logo.png') no-repeat;
    width: 77px;
}

.b-sibnet-head__logo-lego_project:hover {
    background: url('/sibnet/logo.png') no-repeat;
    background-position: 0 -18px;
}

.b-sibnet-head__logo-lego_sibnet, .b-sibnet-head__logo-lego_sibnet:visited, .b-sibnet-head__logo-lego_sibnet:link {
    background: url('/sibnet/logo.png') no-repeat;
    width: 130px;
    background-position: -79px 0 !important;
}

.b-sibnet-head__logo-lego_sibnet:hover {
    background: url('/sibnet/logo.png') no-repeat;
    background-position: -79px -18px !important;
}
