div.main{width: 90%; max-width: 968px;}
.post_body{
    padding: 20px;
    line-height: 150%;
    text-align: justify;
    font-size: 14px; 
}
.post_table{
    width: 100%;
    border-bottom: 2px solid #D0D0D0;
    border-left: 2px solid #C0C0C0;
    border-right: 1px solid #C0C0C0;
}