.hide{
    display:none;       
} 

.container_sidebar{
    margin 0 auto;
    width: 100%;
}

.left_sidebar, .right_sidebar{
    float:left;
   
    
}

.left_sidebar{
   border-right:1px solid #808080;
   padding-right: 40px;
   padding-left:10px;
}

.right_sidebar{
   padding-left:20px; 
}