body.login {
    background-color: #f9f9f9;
} 
/* Change Width and Height of Logo Image + Add Custom Image File */
.login h1 a {
  background-image: url(Netzhaut-Logo-320.png);
  width: 320px;
  height: 62px;
  background-size: 320px 62px;
  margin-top: 21px;
}

.login form {
    background: #eee;
    border: 1px solid #eee;
}