/* default styles for extension "tx_fdfx2cols_pi1" */
<!-- Layout 1 -->
.2cl1-left{
   border-right: 1px solid #FFEDA8;
   padding-right: 5px;
   width:50%;
   white-space:normal;
}
.2cl1-middle{
   padding-left: 5px;
   width:50%;
   white-space:normal;
}
<!-- Layout 2 -->
.2cl2-left{
   border-right: 1px solid #FFEDA8;
   padding-right: 5px;
   width:50%;
   white-space:normal;
}
.2cl2-middle{
   background-color:#FFEDA8;
   padding-left: 5px;
   width:50%;
   white-space:normal;
}
<!-- Layout 2 -->
.2cl3-left{
   border-right: 1px solid #FFEDA8;
   padding-right: 5px;
   width:70%;
   white-space:normal;
}
.2cl3-middle{
   background-color:#FFEDA8;
   border: 1px solid blue;
   padding-left: 5px;
   width:30%;
   white-space:normal;
}
/* default styles for extension "tx_veguestbook_pi1" */
/* example styles */    .tx-guestbook-list-header { background-color: #7F7F7F; color: #FFFFFF; font-weight:bold; }    .tx-guestbook-list-row { background-color: #FFFFFF; }    .tx-guestbook-list-rowleft { background-color: #EEEEEE; }    .tx-guestbook-list-entrycomment-title {font-weight: bold; }    .tx-guestbook-list-entrycomment { font-style: italic; }    .tx-guestbook-list-small { font-size: 9px; color: #666666; }    .tx-veguestbook-pi1-browsebox TD { font-size: 9px; color: #666666; }    .tx-veguestbook-pi1-browsebox-strong, .tx-ttnews-browsebox-SCell { font-weight: bold; }    .tx-veguestbook-pi1-browsebox-SCell { background-color: #EEEEEE; }    .tx-guestbook-latest-header { background-color: #539521; color: #FFFFFF; font-weight:bold; }    .tx-guestbook-latest-row { background-color: #FFFFFF; }    .tx-guestbook-latest-small { font-size: 9px; color: #666666; }    .tx-guestbook-form-inputfield-med { border-style: solid; border-width: 1pt; border-color:#000000; font-size:12; color:#333333; width:100; height:20; }    .tx-guestbook-form-inputfield-big { border-style: solid; border-width: 1pt; border-color:#000000; font-size:12; color:#333333; width:150; height:20; }    .tx-guestbook-form-textarea { border-style: solid; border-width: 1pt; border-color:#000000; font-size:12; color:#333333; width:250; }    .tx-guestbook-form-obligationfield { color: #CC0000; }    .tx-guestbook-form-error { color: #CC0000; }
/* default styles for extension "tt_news" */
  /* example styles for the pagebrowser */
    .tx-ttnews-browsebox TD { font-size: 10px; }
    .tx-ttnews-browsebox-strong, .tx-ttnews-browsebox-SCell { font-weight: bold; }
    .tx-ttnews-browsebox-SCell { background-color: #EEE; }