body {
    padding-top: 70px;
    background-image: url('../images/china.png');
    background-repeat:repeat;
}
/*div {
    border: 1px solid black;
}*/

.jumbotron {
    background: rgba(0,0,0,0.7);
    color: #fff;
}
.white {
    background: white;
    height: 400px;
}

.header {
    height: 120px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    text-align: center;
}
.footer {
    height: 50px;
    background: rgba(0,0,0,0.7);
}
.bottom {
    height: 20px;
}

#hr {
    width: 90%; 
    height: 2px; 
    background: #ccc; 
    overflow: hidden;
}