body.login form {
    margin-top: 20px;
    margin-left: 0;
    padding: 26px 24px 46px;
    font-weight: 400;
    overflow: hidden;
    background: #007570 !important;
    border: 1px solid #ccd0d4;
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
    color: #fff !important;border-radius: 20px;
} 
.login.js.login-action-login.wp-core-ui.locale-en-us {
    background: #b2e6ff;
}
.login .wp-core-ui .button-primary, .login .button.button-primary.button-large {
    background: #fff !important;
    color: #000;
}