.login-pf body {
    background: #0f0f0f url("../img/bg-login.jpg") top left no-repeat;
    background-size: cover;
}

div.kc-logo-text {
    background-image: url(../img/exfo-white-125.png);
    background-repeat: no-repeat;
    height: 56px;
    width: 125px;
    margin: 0 auto;
}