body {
  color: #111111;
  font-family: "微软雅黑", "宋体", Arial, Helvetica, sans-serif;
}
#header .jumbotron {
  background-color: #337ab7;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 0, 0, 0.075);
}
#header .jumbotron h1 {
  font-size: 28px;
}
#header .jumbotron p {
  font-size: 18px;
}
.thumbnail .caption h3 {
  margin: 6px 12px;
  text-align: center;
}