body {
    font-family: 'Open Sans',sans-serif;
    font-weight: 400;
}

    body .btn, body button, body input, body textarea {
        font-family: 'Open Sans',sans-serif;
    }

.section-header p, blockquote p {
    font-weight: 300;
}

.light {
    font-weight: 300!important;
}

.hairline {
    font-weight: 100!important;
}

    .hairline strong {
        font-weight: 300;
    }

h1, h2, h3, h4, h5, h6 {
    font-family: 'Open Sans',sans-serif;
}

.lead {
    font-weight: 300;
}

    .lead strong {
        font-weight: 600;
    }

#masthead .brand {
    font-weight: 300;
}