body.login_admin:before {
    content: " ";
    background: rgba(31, 31, 31, 0.7);
    min-height: 100%;
    min-width: 100%;
    position: absolute;
}

body.login_admin {
  background: url('https://customers.issabel.com/portal/media/client_login.png') no-repeat center center fixed; /* The full image url*/  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

body.customers_login:before {
    content: " ";
    background: rgba(31, 31, 31, 0.7);
    min-height: 100%;
    min-width: 100%;
    position: absolute;
}

body.customers_login {
  background: url('https://customers.issabel.com/portal/media/client_login.png') no-repeat center center fixed; /* The full image url*/  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}