style.css

.jumbotron {
    background: url(assets/images/background.png);
    color: white;
    text-align: center;
    border-radius: 0;
    margin-bottom: 0;
}

.jumbotron .container {
    margin-top: 5%;
    margin-bottom: 5%;
}

.jumbotron h1 {
    font-size: 7rem;
    font-weight: bold;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 0, 0, 0.1);
    line-height: 1;
}

.jumbotron p {
    font-size: 2rem;
    font-weight: 100 !important;
    line-height: 1.12;
    margin-bottom: 3%;
}

.jumbotron .btn {
    font-size: 1.7em;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 5px rgba(0, 0, 0, 0.25), 0 2px 10px rgba(0, 68, 204, 0.01);
    border-radius: 6px;
}

#announcements {
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

#announcement_header, .announcement {
    display: inline-block;
    margin: 2%;
}

#about {
    padding-top: 2%;
}

#about .col-md-4 {
    text-align: center !important;
}