.login-page .login-logo,.main-header .logo,.sidebar-mini.sidebar-collapse .logo{background-image:url(/shared/fs/0523/company/Irongate_Online/DNlogo.png);background-repeat:no-repeat;background-position:center center;font-size:0}.login-page .login-logo{width:170px;height:61px;margin:30px auto 0;background-size:170px}.login-page .login-logo img{display:none}.main-header .logo{background-size:139px 50px}.sidebar-mini.sidebar-collapse .logo{background-size:45px auto}.sidebar-mini.sidebar-collapse .main-header .logo>.logo-mini{font-size:0}