html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    height: 100%;
}

h1:focus {
    outline: none;
}

a, .btn-link {
    color: #0071c1;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.text-danger {
    color: #dc3545;
}

.centered-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.centered-logo img {
    max-width: 90%;
    height: auto;
}