Remove center information Bar in Thunderbird

[Mickey]

On 03/09/2015 05:06 PM, Kevin Cummings wrote:
> Do you mean the message header display which contains the reply, reply
> list, forward, archive, junk, and delete buttons?  Those buttons are
> important to the user when they wish to deal with the message.  Why
> would you want to remove them?  You can resize this area in order to
> help minimize it....
>
> On 03/09/2015 04:45 PM, Mickey wrote:
>> How does one remove the Grayish information bar in between Inbox
>> messages and email content window ?
>>
How do you resize it ?
If I grab it at top and drag it down it makes my message content window 
smaller.