diff options
| author | bt <bt@btxx.org> | 2024-06-08 13:22:19 -0400 |
|---|---|---|
| committer | bt <bt@btxx.org> | 2024-06-08 13:22:19 -0400 |
| commit | dcfb172704f3afb68a30425029ec834be2883274 (patch) | |
| tree | 02ac480745db802d7af03f3213a0c568322170e3 /build/better-box-shadows | |
| parent | e146f8a64c793c337999ce316b16ebe5fe6f2dab (diff) | |
More content porting, on-going markdown changes for lowdown support
Diffstat (limited to 'build/better-box-shadows')
| -rw-r--r-- | build/better-box-shadows/index.html | 109 |
1 files changed, 49 insertions, 60 deletions
diff --git a/build/better-box-shadows/index.html b/build/better-box-shadows/index.html index cfca3d3..c1fc50e 100644 --- a/build/better-box-shadows/index.html +++ b/build/better-box-shadows/index.html @@ -1,66 +1,43 @@ <!doctype html> -<html lang="en" id="top"> +<html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="icon" href="data:,"> <title>Better Box Shadows</title> - <link href="https://bt.ht/atom.xml" type="application/atom+xml" rel="alternate" title="Atom feed for blog posts" /> - <style>*{box-sizing:border-box;}body{font-family:sans-serif;margin:0 auto;max-width:650px;padding:1rem;}img{max-width:100%;}pre{overflow:auto;}table{text-align:left;width:100%;}</style> + <link href="/atom.xml" type="application/atom+xml" rel="alternate" title="Atom feed for blog posts" /> + <link href="/rss.xml" type="application/rss+xml" rel="alternate" title="RSS feed for blog posts" /> +<style>*{box-sizing:border-box;}body{font-family:sans-serif;line-height:1.33;margin:0 auto;max-width:650px;padding:1rem;}img{max-width:100%;}pre{border:1px solid;overflow:auto;padding:5px;}table{text-align:left;width:100%;}.footnotes{font-size:90%;}</style> </head> <nav> - <a href="#menu">Menu ↓</a> + <a href="#menu">Menu ↓</a> </nav> <main> -<h1>Better Box Shadows</h1> +<h1 id="better-box-shadows">Better Box Shadows</h1> + <p>2019-01-08</p> -<p><style> - .message { - position: relative; - z-index: 1; - } - .box-container, - .box-container-depth { - background: white; - box-shadow: 0 4px 8px rgba(0,0,0,0.3); - border: 1px solid #eee; - border-radius: 10px; - margin: 2rem auto; - padding: 10px; - position: relative; - height: 200px; - width: 250px; - } - .box-container-depth { box-shadow: none; } - .box-container-depth .box-container-depth-inner { - bottom: 0; - box-shadow: 0 4px 12px rgba(0,0,0,0.3); - content:''; - position: absolute; - width: 94%; - height: 94%; - left: 3%; - z-index: -1; - } - .box-container-depth-inner.blur { - filter: blur(6px); - } -</style></p> -<p>Box shadow on <abbr title="hypertext markup language">HTML</abbr> elements has been widely supported across most browsers for a while now, but I find the default options don't allow for much visual manipulation of the shadows in general.</p> -<p>Let's take a look at a default configuration of <code>box-shadow</code>:</p> + +<p>Box shadow on HTML elements has been widely supported across most browsers for a while now, but I find the default options don’t allow for much visual manipulation of the shadows in general.</p> + +<p>Let’s take a look at a default configuration of <code>box-shadow</code>:</p> + <pre><code>.box-container { box-shadow: 0 4px 8px rgba(0,0,0,0.3); } </code></pre> + <p>In the example above the first property number is the origin of the <em>x-axis</em>, the second number is the origin of the <em>y-axis</em> and the third is the amount of <em>blur</em>.</p> + <p>We should also add some minimal styling to cleanup the <code>.box-container</code> a little bit for our example:</p> -<pre><code><div class="box-container"></div> -</code></pre> -<pre><code>.box-container { + +<pre><code><div class="box-container"></div> + + +.box-container { box-shadow: 0 4px 8px rgba(0,0,0,0.3); - /* Styles to make it less ugly */ + /* Styles to make it less ugly */ background: white; border-radius: 10px; border: 1px solid #eee; @@ -70,20 +47,27 @@ width: 250px; } </code></pre> + <p>Which would render as this:</p> -<p><div class="box-container"></div></p> + <p>Not bad - but we can do a lot better than this.</p> -<h2>Please sir, I want some more (depth)</h2> + +<h2 id="please-sir-i-want-some-more-depth">Please sir, I want some more (depth)</h2> + <p>We just need to add a simple child <code>div</code> (or use a <code>pseudo</code> element if you prefer) inside our main element we want to apply the shadow to:</p> -<pre><code><div class="box-container"> - <div class="box-container-inner"></div> -</div> + +<pre><code><div class="box-container"> + <div class="box-container-inner"></div> +</div> </code></pre> -<p>Now we make our inner child element <code>absolute</code> and set it's <code>height</code> and <code>width</code> dynamically to be slightly smaller than it's parent (percentages work best for this). </p> -<p>Remember to set this child element behind it's parent by adding <code>z-index: -1</code>.</p> + +<p>Now we make our inner child element <code>absolute</code> and set it’s <code>height</code> and <code>width</code> dynamically to be slightly smaller than it’s parent (percentages work best for this). </p> + +<p>Remember to set this child element behind it’s parent by adding <code>z-index: -1</code>.</p> + <pre><code>.box-container { - /* No box-shadow needed on this element anymore */ - /* Styles to make it less ugly */ + /* No box-shadow needed on this element anymore */ + /* Styles to make it less ugly */ background: white; border-radius: 10px; border: 1px solid #eee; @@ -93,11 +77,14 @@ width: 250px; } </code></pre> -<h2>Inner Containers</h2> + +<h2 id="inner-containers">Inner Containers</h2> + <p>We also need to target the <code>box-container-inner</code> element set inside the current parent to reflect our custom shadow styling:</p> + <pre><code>.box-container-inner { bottom: 0; - /* The box-shadow is added here now */ + /* The box-shadow is added here now */ box-shadow: 0 4px 12px rgba(0,0,0,0.3); height: 94%; left: 3%; @@ -106,13 +93,17 @@ z-index: -1; } </code></pre> + <p>Which will make the drop-shadow render with a little more realistic depth:</p> -<p><div class="box-container-depth"><span class="box-container-depth-inner"></span></div></p> -<h2>But wait - there's more!</h2> + +<h2 id="but-wait---theres-more">But wait - there’s more!</h2> + <p>We could stop now and have a decent drop-shadow that is certainly easier on the eyes - but we can make this even better with one extra property - <code>filter:blur();</code>. </p> + <p>So your final code would look like this:</p> + <pre><code>.box-container { - /* Styles to make it less ugly */ + /* Styles to make it less ugly */ background: white; border-radius: 10px; border: 1px solid #eee; @@ -133,10 +124,8 @@ z-index: -1; } </code></pre> + <p>Which renders out into a much smoother blend of a drop-shadow, creating a more realistic illusion of depth:</p> -<p><div class="box-container-depth"> - <span class="box-container-depth-inner blur"></span> -</div></p> <footer role="contentinfo"> <h2>Menu Navigation</h2> <ul id="menu"> |