/* Background */
body.login { background: #f6f6f6; }

/* Logo (replace URL) */
body.login div#login h1 a {
  background-image: url('images/agent-development-logo-blue-transparent.png') !important;
  background-size: contain;
  width: 260px;
  height: 80px;
}

/* Button */
.wp-core-ui .button-primary {
  border-radius: 8px;
  box-shadow: none;
}