/*-----------------------------------------------------------------------------------|
|--------------LEFT--------------------MIDDLE-------------------RIGHT----------------|
|--------------210px--------------------------------------------210px----------------|
|-----------------------------------------------------------------------------------*/

#page-content #region-main-box {
    left: 210px; /* Width of left sideblock */
}
#page-content #region-main-box #region-post-box {
    margin-left: -420px; /* Twice width of left sideblock */
    padding-top: 5px;
}
#page-content #region-main-box #region-post-box #region-main-wrap #region-main {
    margin-left: 420px; /* Twice width of left sideblock */
    padding: 0 15px; /* Padding around middle column */
}
#page-content #region-main-box #region-post-box #region-pre {
    left: 210px; /* Width of left sideblock */
    width: 210px; /* Width of left sideblock */
}
#page-content #region-main-box #region-post-box #region-post {
    width: 210px; /* Width of right sideblock */
}
#page-content #region-main-box .region-content {
    padding: 0;
}
/** Only side pre **/
.side-pre-only #page-content #region-main-box #region-post-box {
    margin-left: -210px;
}
.side-pre-only #page-content #region-main-box #region-post-box #region-main-wrap #region-main {
    margin-left: 210px;
}
    /** Only side post **/

.side-post-only #page-content #region-main-box #region-post-box {
    margin-left: -210px;
}
.side-post-only #page-content #region-main-box #region-post-box #region-main-wrap #region-main {
    margin-left: 210px;
}