html,body {
    height: 100%;
    background: #56A2CC; /* Old browsers */
    background: linear-gradient(to bottom, #1e5799 0%,#56A2CC 50%,#56A2CC 100%);
    background-attachment: fixed;
}

#logo {
    background-image: url('//cdn.twikey.net/img/logo_inv.svg');
    margin-top: 5px;
    height: 60px;
    width: 132px
}

.logo-powered a {
    color: white;
}
.logo-powered > a {
    display: none;
}
.main {
    margin: 10px auto;
}
.btn-branded {
    background-color: #1e5799;
    color: white;
}