.navbar img[src*=header-ama-logo-2],.navbar img[src*=header-ama-logo],.navbar-brand img[src*=header-ama-logo-2],.navbar-brand img[src*=header-ama-logo],a img[alt*="PolyU AMA"],a img[alt*=AMA],a img[src*="header-ama-logo-2.png"],a img[src*="header-ama-logo-2.png"]:hover,header img[src*=header-ama-logo-2],header img[src*=header-ama-logo],img[alt*="PolyU AMA"],img[alt*="to PolyU AMA"],img[alt*=AMA],img[src*="header-ama-logo-2.png"],img[src*="header-ama-logo-2.png"]:hover,img[src*=AMA],img[src*=ama-logo]{filter:brightness(0) invert(1)!important;-webkit-filter:brightness(0) invert(1)!important}