body .login h1 a {
  background-image: url('path/to/client-logo.png');
}





  #login {background-color:#fff!important; border:solid 1px #ccc; border-radius:8px; margin-top:100px; padding:25px; box-shadow: 0 1px 3px rgba(0,0,0,.04);width:400px}
  .login form {border:none!important; box-shadow: none}
  .login form p {font-size:16px;}
  .login form label {display:block; margin-top:20px; font-weight:bold; text-transform:uppercase}
  .login h1 a {height:auto}
  .login form input[type='submit'] {background-color:  #0059d6; display:block; float:none; font-size:16px; padding:5px 0; width:100%}

  .login form > div > p {margin-top:20px}

  button[name='itsec_resend_2fa'] {width:100%; padding:5px 0!important; font-size:16px!important}

  #backtoblog {display:none!important}