From 07e4a2dafe248280b5610f8c7d09b0f30b530f54 Mon Sep 17 00:00:00 2001 From: Bradley Taunt Date: Mon, 10 Jun 2024 09:41:25 -0400 Subject: Initial modifications to rebuilt only changed files based on mod date, performance updates --- build/posts/fake-3d-elements-with-css/index.html | 104 +++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 build/posts/fake-3d-elements-with-css/index.html (limited to 'build/posts/fake-3d-elements-with-css/index.html') diff --git a/build/posts/fake-3d-elements-with-css/index.html b/build/posts/fake-3d-elements-with-css/index.html new file mode 100644 index 0000000..a3e8319 --- /dev/null +++ b/build/posts/fake-3d-elements-with-css/index.html @@ -0,0 +1,104 @@ + + + + + + + + Faking 3D Elements with CSS + + + + + + + +
+

Faking 3D Elements with CSS

+

2020-04-29

+

Although not always practical, creating the illusion that some of your web elements are 3D can be a fun experiment. I set out to see if I was able to create such an illusion with only 2 HTML elements and as little CSS as possible.

+

This is what I ended up creating:

+

Blue 3D orb made out pure CSS

+

Live CodePen Example

+

The HTML

+

Prepare for your mind to be blown:

+
<div class="main-orb">
+    <div class="inner-orb"></div>
+</div>
+
+

That’s it - I wasn’t kidding when I said we would use only 2 HTML elements. The .main-orb is the core shape (set to 400x400) and the .inner-orb is placed on top of it’s parent at a slightly smaller size (360x360) - but more on that below in the CSS portion.

+

The CSS

+

First we give the bigger orb element (.main-orb) the default styling needed to represent a 2D circle:

+
.main-orb {
+    background: linear-gradient(#fff 0%, #eee 10%, #2E86FB 50%, #1A237E 100%);
+    border-radius: 9999px;
+    height: 400px;
+    margin: 4rem auto;
+    position: relative; /* This is important for the inner orb element later */
+    width: 400px;
+}
+
+

Next, we include both :before and :after pseudo elements for our orb’s drop shadow. You could do this with a simple box-shadow property on the .main-orb itself, but I’ve explained in a previous post why that’s not the best approach.

+
/* Shared styling for both pseudo elements - Remember DRY */
+.main-orb:before, .main-orb:after {
+    border-radius: 200px 200px 9999px 9999px;
+    bottom: -10px;
+    content:'';
+    filter: blur(20px);
+    height: 40px;
+    position: absolute;
+    z-index: -1;
+}
+
+/* Bigger, lighter shadow */
+.main-orb:before {
+    background: rgba(0,0,0,0.4);
+    left: 7.5%;
+    width: 85%;
+}
+
+/* Smaller, darker shadow */
+.main-orb:after {
+    background: rgba(0,0,0,0.7);
+    left: 20%;
+    width: 60%;
+}
+
+

With our main orb complete we can move on to the .inner-orb element to help bring slightly more depth to our floating ball of CSS:

+
.inner-orb {
+    background: linear-gradient(#fff 0%, #2E86FB 60%, #283593 100%);
+    border-radius: 9999px;
+    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
+    height: 360px;
+    filter: blur(18px);
+    left: 20px;
+    position: absolute;
+    top: 15px;
+    width: 360px;
+}
+
+

Poor-man’s 3D elements

+

Clearly implementing something like this will never come close to generating true 3D renders on a website, but it is a fun exercise to see how much further we can push simple CSS. Feel free to fork the above CodePen to play around with different colors and shadow placements.

+ \ No newline at end of file -- cgit v1.2.3-54-g00ecf