What is the deal with CSS relative magnification?

I am currently utilizing a PHP styleswitcher along with alternate stylesheets in an attempt to replicate the functionality of browser zoom (done using keyboard shortcuts cmd-plus or ctrl-plus).

At the moment, when clicking on the "zoom in" graphic, it is linked to an alternate stylesheet with the following CSS:

body {
zoom: 1.2; -moz-transform: scale(1.2); -moz-transform-origin: 0 0}
}

While this method works well, I am aiming for a link that triggers a relative zoom instead of an absolute value — meaning, I would like to establish a variable that captures the user's current zoom level and increases it by 120%. This way, the same link could be clicked multiple times to gradually increase the zoom level.

Is there any suggestion on how to accomplish this?

csszooming

Answer №1

It seems like JavaScript will be necessary for this task.
If my memory serves me correctly, CSS styles can be changed/created using JS. Therefore, if you store a variable in JS and multiply it by 1.2 every time the onClick event of the link is triggered, it should achieve the desired result.

UPDATE: I'm not sure if it's feasible, but if you have the ability to multiply variables in LESS, you could explore that 'language'. Since it's a blend of CSS & JS.

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