.sales_header {
    height: 180px;
    margin-bottom: 50px;
    background: url(/common/images/title_sales.png) center center no-repeat;
        background-size: auto auto;
    background-size: cover;
}
.sales_header2 {
    height: 180px;
    margin-bottom: 50px;
    background: url(/common/images/solar_power.png) center center no-repeat;
        background-size: auto auto;
    background-size: cover;
}
.sales_header3 {
    height: 180px;
    margin-bottom: 50px;
    background: url(/common/images/title_projects.png) center center no-repeat;
        background-size: auto auto;
    background-size: cover;
}
.sales_header4{
    height: 180px;
    margin-bottom: 50px;
    background: url(/common/images/title_projects2.png) center center no-repeat;
        background-size: auto auto;
    background-size: cover;
}
.products_header {
    height: 180px;
    margin-bottom: 50px;
    background: url(/common/images/title_download.png) center center no-repeat;
        background-size: auto auto;
    background-size: cover;
}