body {
    margin-top: 3em;
}
/*
.alert {
    border: 1px solid #ccc;
    padding: 6px;
}
.alert-info {
    background-color: #d9edf7;
}
.alert-success {
    background-color: #dff0d8;
}
.alert-warning {
    background-color: #fcf8e3;
}
*/