body {
    background: url(../images/baloons.jpg) center center fixed;
    background-size: cover;
    text-align: center;
    font-family: Arvo, serif;
}
.jumbotron {
	background-color: transparent;
}
.jumbotron h1 {
	letter-spacing: 2.5px;
}
.col-sm-2 {
    margin-bottom: 10px;
}