body.login {
    background-color: #000;
    color:#fff;
}

body.login #login form{
    background-color: #000;
    border: 1px solid #cfa647;
}

body.login.wp-core-ui .button-primary {
    background: #cfa647;
    border-color: #cfa647;
}

#login h1 a, 
.login h1 a {
    background-image: url(login-logo.png);
height:65px;
width:320px;
background-size: 320px 65px;
background-repeat: no-repeat;
    padding-bottom: 10px;
}