Login

/* background image CSS*/
#app {
    background-image: url(https://storage.googleapis.com/msgsndr/B5xlbDgcu3ZBtsFvPkbH/media/6356ffed330953bbf0ce2611.png);
    background-size: cover;
    background-repeat: no-repeat;
}

.bg-gray-100 {
  background-color: #f7fafc00;
}

#navigation-header{
    background: #fff !important; 
}

Add the JS code into Membership > Setting > Advance > Custom Css