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5b76e0f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | # Opacity
The `opacity` property can be used to make a widget partially or fully transparent.
## Syntax
```
opacity: <FRACTIONAL>;
```
### Values
As a fractional property, `opacity` can be set to either a float (between 0 and 1),
or a percentage, e.g. `45%`.
Float values will be clamped between 0 and 1.
Percentage values will be clamped between 0% and 100%.
## Example
This example shows, from top to bottom, increasing opacity values.
=== "opacity.py"
```python
--8<-- "docs/examples/styles/opacity.py"
```
=== "opacity.css"
```scss
--8<-- "docs/examples/styles/opacity.css"
```
=== "Output"
```{.textual path="docs/examples/styles/opacity.py"}
```
## CSS
```sass
/* Fade the widget to 50% against its parent's background */
Widget {
opacity: 50%;
}
```
## Python
```python
# Fade the widget to 50% against its parent's background
widget.styles.opacity = "50%"
```
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