Change BG of Hero/Header Banner -- or Make BG whole width

/*Change BG of Hero/Header Banner -- or Make BG whole width*/
.react-grid-item:nth-child(1) > .Mui-WidgetBanner-bgContainer{
background-image: url('URL HERE')!important;
background-position: center center;
background-repeat: no-repeat;
background-size: cover;
background-attachment:fixed;
}