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snippets/css/s/truncate-text-multiline.md

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+---
+title: Truncate multiline text
+type: snippet
+language: css
+tags: [layout]
+cover: blue-computer
+dateModified: 2021-01-07T23:52:15+02:00
+---
+
+Truncates text that is longer than one line.
+
+- Use `overflow: hidden` to prevent the text from overflowing its dimensions.
+- Set a fixed `width` to ensure the element has at least one constant dimension.
+- Set `height: 109.2px` as calculated from the `font-size`, using the formula `font-size * line-height * numberOfLines` (in this case `26 * 1.4 * 3 = 109.2`).
+- Set `height: 36.4px` as calculated for the gradient container, based on the formula `font-size * line-height` (in this case `26 * 1.4 = 36.4`).
+- Use `background` with `linear-gradient()` to create a gradient from `transparent` to the `background-color`.
+
+```html
+<p class="truncate-text-multiline">
+  Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy
+  eirmod tempor invidunt ut labore et.
+</p>
+```
+
+```css
+.truncate-text-multiline {
+  position: relative;
+  overflow: hidden;
+  display: block;
+  height: 109.2px;
+  margin: 0 auto;
+  font-size: 26px;
+  line-height: 1.4;
+  width: 400px;
+  background: #f5f6f9;
+  color: #333;
+}
+
+.truncate-text-multiline::after {
+  content: '';
+  position: absolute;
+  bottom: 0;
+  right: 0;
+  width: 150px;
+  height: 36.4px;
+  background: linear-gradient(to right, rgba(0, 0, 0, 0), #f5f6f9 50%);
+}
+```