body.login {
  background-image: url('https://thriveworks.com/wp-content/uploads/2015/10/himage_3.jpg');
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: center;
}

.login h1 a {
  background-image: url('https://thriveworks.com/wp-content/uploads/2014/09/thrivesworkslogo.png');
    width: 345px;
    background-size: 320px;
}

.login form {
    border-radius: 5px;
}
p#nav {
  display: none;
}

p#backtoblog {
  display: none;
}

body.login {
    background-size: cover;
}