---
source: crates/biome_formatter_test/src/snapshot_builder.rs
info: css/atrule/page.css
---

# Input

```css
@page {
    margin: 1cm;
}
@page {
margin: 1cm;
}
@page{
margin: 1cm;
}
@page  {
    margin: 1cm;
}
@page
{
margin
:
1cm
;
}
@page

{

margin
:

1cm

;

}
@page :first {
    margin: 2cm;
}
@page :first {
margin: 2cm;
}
@page :first{
    margin: 2cm;
}
@page  :first  {
    margin: 2cm;
}
@page
:first
{
margin
:
2cm
;
}
@page

:first

{

margin

:

2cm

;

}
@page vertical {
    size: A4 portrait;
}

```


# Prettier differences

```diff
--- Prettier
+++ Biome
@@ -35,5 +35,5 @@
   margin: 2cm;
 }
 @page vertical {
-  size: A4 portrait;
+  size: a4 portrait;
 }
```

# Output

```css
@page {
  margin: 1cm;
}
@page {
  margin: 1cm;
}
@page {
  margin: 1cm;
}
@page {
  margin: 1cm;
}
@page {
  margin: 1cm;
}
@page {
  margin: 1cm;
}
@page :first {
  margin: 2cm;
}
@page :first {
  margin: 2cm;
}
@page :first {
  margin: 2cm;
}
@page :first {
  margin: 2cm;
}
@page :first {
  margin: 2cm;
}
@page :first {
  margin: 2cm;
}
@page vertical {
  size: a4 portrait;
}
```