body {
    color: #104b98;
    background: #eee;
}
.logo {
    background: url(../assets/logo.png) no-repeat center center;
    width: 320px;
    height: 62px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -31px;
    margin-left: -160px;
}