*
{
    font-size: 12px;
}
body
{
    padding: 0;
    margin: 0;
}
h2
{
    font-size: 18px;
    font-weight: bold;
    margin: 0;
    margin-bottom: 15px;
}
.demo-info
{
    background: #FFFEE6;
    color: #8F5700;
    padding: 12px;
}
.demo-tip
{
    width: 16px;
    height: 16px;
    margin-right: 8px;
    float: left;
}