Keynote Slides with Pure CSSJune 22, 2020
There are a great deal of options available on the web and built into most operating systems when you need to create presentation / keynote slides. You could use native software like LibremOffice Impress, Powerpoint, Apple’s Keynote, etc. You could also decide to use preexisting web-based apps like Google Slides or an open source project such as RevealJS. All of these are good options.
But thinking more about how overly “complex” these apps are implemented, it got me wondering if I could quickly code up a presentation slide “framework” with pure CSS and barely any code…
This is what I came up with:
Yes, I know this is ugly, but this was created as a barebones skeleton for others to build upon. The demo uses a simple set of
radio inputs that correspond to their own individual
slide element. The “framework” looks at the currently
checked input, then changes the
z-index of it’s corresponding slide item. Pretty straightforward stuff!
Let’s break down each piece:
There isn’t a whole lot going on here. We are just including a set of
radio inputs (based on how many slides are desired) along with their corresponding
slide class elements. You might notice we don’t do anything to specifically target each individual slide item – you’ll see why we don’t need to in the CSS section!
The CSS (SCSS)
Again – not much to see here. We use CSS to look down through the DOM for each
radio elements slide “partner”. We do this by targeting the
nth-of-type on both elements. Simple stuff.
Some drawbacks to this approach:
- You need to manually target each new slide you add (color, styling, content, etc.)
- Lack of animations might require extra work to implement (maybe 3rd party libraries like AOS?)
- Probably won’t be best for extremely long/complex presentation slides
That’s it! Hope you enjoy playing around with it.
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