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authorBradley Taunt <bt@btxx.org>2024-06-08 13:43:37 -0400
committerBradley Taunt <bt@btxx.org>2024-06-08 13:43:37 -0400
commit16d28628aca9b2d356de31c319f5e7bc0f5b2b02 (patch)
tree11947abb71e38cbe75116871694a44c33d257763 /build/keynote-slides-css
parentdcfb172704f3afb68a30425029ec834be2883274 (diff)
Remove incorrectly generated files, fix up markdown articles
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Keynote Slides with Pure CSS</title>
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+<style>*{box-sizing:border-box;}body{font-family:sans-serif;line-height:1.33;margin:0 auto;max-width:650px;padding:1rem;}blockquote{background:rgba(0,0,0,0.1);border-left:4px solid;padding-left:5px;}img{max-width:100%;}pre{border:1px solid;overflow:auto;padding:5px;}table{text-align:left;width:100%;}.footnotes{font-size:90%;}</style>
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<main>
<h1 id="keynote-slides-with-pure-css">Keynote Slides with Pure CSS</h1>
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<p>2020-06-22</p>
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<p>There are a great deal of options available on the web and built into most operating systems when you need to create presentation &#47; keynote slides. You could use native software like LibremOffice Impress, Powerpoint, Apple&#8217;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.</p>
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<p>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.</p>
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<p>This is what I came up with:</p>
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<h2 id="the-demo">The Demo</h2>
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<p><a href="https://codepen.io/bradleytaunt/pen/jOWBJZb">Live CodePen Example</a></p>
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<p>Yes, I know this is <em>ugly</em>, but this was created as a barebones skeleton for others to build upon. The demo uses a simple set of <code>radio</code> inputs that correspond to their own individual <code>slide</code> element. The framework looks at the currently <code>checked</code> input, then changes the <code>opacity</code> and <code>z-index</code> of its corresponding slide item. Pretty straightforward stuff!</p>
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<p>Let&#8217;s break down each piece:</p>
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<h2 id="the-html">The HTML</h2>
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<pre><code>&#60;div class="slider"&#62;
&#60;input type="radio" name="pagination" value="1" checked&#62;
&#60;input type="radio" name="pagination" value="2"&#62;
@@ -59,11 +50,8 @@
&#60;&#47;div&#62;
&#60;&#47;div&#62;
</code></pre>
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<p>There isn&#8217;t a whole lot going on here. We are just including a set of <code>radio</code> inputs (based on how many slides are desired) along with their corresponding <code>slide</code> class elements. You might notice we don&#8217;t do anything to specifically target each individual slide item - you&#8217;ll see why we don&#8217;t need to in the CSS section!</p>
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<h2 id="the-css-scss">The CSS (SCSS)</h2>
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<pre><code>&#47;* Basic default styles *&#47;
.slider {
height: 100%;
@@ -100,17 +88,13 @@ input[type="radio"]:nth-of-type(5):checked ~ .slide:nth-of-type(5) {
.slide:nth-of-type(4) { background: goldenrod; }
.slide:nth-of-type(5) { background: pink; }
</code></pre>
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<p>Again, not much to see here. We use CSS to look down through the DOM for each <code>radio</code> elements slide &#8220;partner&#8221;. We do this by targeting the <code>nth-of-type</code> on both elements. Simple stuff.</p>
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<p>Some drawbacks to this approach:</p>
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<ul>
<li>You need to manually target each new slide you add (color, styling, content, etc.)</li>
<li>Lack of animations might require extra work to implement (maybe 3rd party libraries- ke AOS?)</li>
<li>Probably won&#8217;t be best for extremely long&#47;complex presentation slides</li>
</ul>
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<p>That&#8217;s it! Hope you enjoy playing around with it.</p>
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