.darkdiv
{
    background-color:#E8EEF7;
    width:500px;
    -moz-box-sizing:border-box;
    box-sizing:border-box;
    padding:8px;
}

.lightdiv
{
    width:500px;
    -moz-box-sizing:border-box;
    box-sizing:border-box;
    padding:8px;
}

.comment_textbox
{
    width:270px;
}