SFM-Broker/src/app/dashboard/dashboard.component.scss

.container.outer{
    width:100%;
    background: url('../../assets/img/body_bg.jpg') no-repeat center center fixed; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    opacity:0.98;          
}
.container.inner {
    width: 99%;
    min-height: calc(100vh - 48px);
    /* background-color:chartreuse; */
}