#mainContentTop {
  width: 796px;
  padding-left: 10%;
  
}

#mainContentLeftColumn {
  float: left;
  width: 398px;
  padding-left: 50px;
    
}

#mainContentRightColumn {
  float: right;
  width: 390px;
padding-left: 40px;
  
  
  
  
}