RFR: 8334241: Adjust API docs side bar dimensions

[Jonathan Gibbons]

On Fri, 14 Jun 2024 16:35:54 GMT, Hannes Wallnöfer <hannesw at openjdk.org> wrote:

> Please review a change to slightly adjust the proportion between the side bar and the main content area in API documentation pages, making the side bar a bit slimmer and leaving more space for the main content area. The ratio between side bar and main content used to be 1 : 2.6, it is now 1 : 3. 
> 
> Updated API documentation[ can be viewed here](https://cr.openjdk.org/~hannesw/8334241/api.00/java.base/java/lang/Object.html).

One of these days, I think that maybe the boundary should be adjustable, although there is a definite sense of "deja vu" for that (looking back at Frames)

-------------

Marked as reviewed by jjg (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/19726#pullrequestreview-2140009090