#mainContent h1,h2,h3{
    border-left: 5px solid orangered;
    border-radius: 0 6px 6px 0;
    box-shadow: 0 0 0 1px #5F5A4B, 1px 1px 6px 1px rgba(10, 10, 0, 0.5);
    font-weight: bold;
    margin: 18px 0 !important;
    color: #666666;
}
#mainContent h1    {
    background: #99CCCC;
    padding: 8px 10px 8px 10px;
    width: 100%;
    border-bottom: 1px solid #9c0000;
    font-size: 25px;
}
#mainContent h2    {
    background: #CCFF99;
    width: 70%;
    padding: 5px 0 5px 5px;
    font-size: 20px;
}
#mainContent h3    {
    background: #99CCFF;
    width: 60%;
    padding: 5px 0 5px 5px;
    font-size: 18px;
}