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css/snippets/clearfix.md

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+---
+title: Clearfix
+type: snippet
+tags: [layout]
+cover: memories-of-pineapple-3
+dateModified: 2020-12-30T15:37:37+02:00
+---
+
+Ensures that an element self-clears its children.
+
+- Use the `::after` pseudo-element and apply `content: ''` to allow it to affect layout.
+- Use `clear: both` to make the element clear past both left and right floats.
+- For this technique to work properly, make sure there are no non-floating children in the container and that there are no tall floats before the clearfixed container but in the same formatting context (e.g. floated columns).
+- **Note:** This is only useful if you are using `float` to build layouts. Consider using a more modern approach, such as the flexbox or grid layout.
+
+```html
+<div class="clearfix">
+  <div class="floated">float a</div>
+  <div class="floated">float b</div>
+  <div class="floated">float c</div>
+</div>
+```
+
+```css
+.clearfix::after {
+  content: '';
+  display: block;
+  clear: both;
+}
+
+.floated {
+  float: left;
+  padding: 4px;
+}
+```