.postBody h3{   
    font-size: 20px !important;
    border-bottom: 1px solid #cccccc !important;
}

.postBody pre{
    /* font-family: "Courier New",sans-serif!important; */
    font-size: 12px!important;
    line-height: 20px;
    background-color: #f5f5f5!important;
    border: 1px solid #ccc!important;
    padding: 0 5px!important;
    border-radius: 3px!important;
    line-height: 1.8;
    margin: 1px 5px;
    vertical-align: middle;
    display: block; 
}