/* body padding for fixed navbar */
body { padding-top: 80px; }

/* Center align the text within the three columns below the jumbotron */
.introduction .col-lg-4 {
    margin-bottom: 20px;
    text-align: center;
}
.introduction h2 {
    font-weight: normal;
}
.introduction .col-lg-4 p {
    margin-right: 10px;
    margin-left: 10px;
}