html, body {
    position: relative;
    width: 100%;
    min-height: 100vh;
    padding: 0 50px;
    box-sizing: border-box;
    margin: 0;
    background-color: #efefef;
    font-family: 'Raleway', sans-serif;
}

.logo {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -45%);
    width: 400px;
    max-width: 80%;
}

.logo img {
    width: 100%;
    height: auto;
}

.logo span {
    display: block;
    font-size: 18px;
    font-weight: 200;
    display: block;
    width: 100%;
    border-top: 1px solid #ddd;
    padding-top: 40px;
    margin-top: 40px;
    text-align: center;
    color: #343d68;
    opacity: .9;
}