.jumbotron {
    margin-bottom: 0px;
    background-image: url(images/bannerx1000.jpg);
    background-position: 0% 25%;
    background-size: cover;
    background-repeat: no-repeat;
    color: white;
    text-shadow: black 0.3em 0.3em 0.3em;
    margin-bottom: 10px;
}

#about-header {
    margin-bottom: 0px;
    background-image: url(images/banner1000.jpg);
    background-position: 0% 25%;
    background-size: cover;
    background-repeat: no-repeat;
    color: white;
    text-shadow: black 0.3em 0.3em 0.3em;
    margin-bottom: 10px;
}

h1, h2, h3, h4, h5, h6, p.subtitle {
    text-align: center;
}

.sanbao-thumbnail {
    margin-right: 10px;
    margin-bottom: 10px;
}