How can I make a div not larger than its contents?

Other methods to fit a div

The display: inline-block; solution works well, but there are multiple ways to style a div based on its contents:

fit-content property in CSS

Where modern browser support exists, fit-content gives you an easy way to fit a div to its contents:

div {
  width: fit-content;
  height: fit-content;
}
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Remember though, different browsers play different tunes, so check out caniuse.com for a compatibility list.

Display as table

Using the display: table; property is another road to Rome:

div {
  display: table; /* plays nicely with others, kind of like a Golden Retriever */
}
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Combine this with margin: 0 auto; to center the div and keep things neat and tidy.

Absolute position for pinpoint control

When zero interaction with neighboring elements is on the itinerary:

div {
  position: absolute; /* playing hide-and-seek with layout flow */
  left: 0;
  right: 0;
}
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This technique is ideal when precision is your game.

Handling Complex Layouts

Here are some additional strategies when layouts get a bit more complicated or when you need to fall back on compatible solutions:

Nested div Approach

Having one div inside another grants greater control without affecting the rest of your page layout:

<div class="outer">
  <div class="inner">Content here</div>
</div>
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.outer { display: block; /* The boss, calling the shots */}
.inner { display: inline-block; /* The nimble minion doing the dirty work */}
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Floats: Your life raft for legacy layouts

When it's time to pull out the old-school techniques, the float property has got your back:

div {
  float: left; /* Going against the flow. Anarchy! */
}
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CSS3: The high-tech wizard tools

If you're looking for the cool kids' club of CSS, look no further than CSS3 properties like max-content and min-content. But remember, these require a thorough perusal of W3C CSS3 specifications.

Dealing with Shrink-To-Fit Complications

While these shrink-to-fit methods are life-savers, they might come with a catch:

• Margin issues: Using inline-block may cause unwanted margins. Tackle this jumping hurdle by manipulating margin properties or using float.
• Browser compatibility: Always remember to test your designs across different browsers to avoid nasty surprises.
• Performance checks: Using absolute positioning or table displays extensively can make your layout unnecessarily complicated and slow crawling snails.