the background image on ion-content ion-content { –background: url(../../assets/images/bg4.jpg) 0 0/100% 100% no-repeat !important; background-color: #fff; } background image on some custom tag like div etc.   div{ background: url(/assets/images/react.svg) 0 0/100% 100% no-repeat !important; } background image on full page (header, ion-content,footer) Example If your page name is setting then