Style

Struct Style 

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pub struct Style;
Expand description

The <style> element - embedded CSS styles.

§Purpose

The <style> element contains CSS style information for the document. It allows you to embed styles directly in HTML without an external stylesheet.

§Content Categories

  • Metadata Content

§Permitted Content Model

  • Text content representing CSS rules

§Common Use Cases

  • Embedding critical CSS for performance optimization
  • Adding page-specific styles without a separate file
  • Inline styles for email templates
  • Dynamic styling that changes based on server-side conditions

§Key Attributes

  • media: Media query for conditional application of styles
  • type: MIME type (defaults to "text/css", usually omitted)
  • nonce: Cryptographic nonce for Content Security Policy

§Example

<head>
  <style>
    body {
      font-family: sans-serif;
      margin: 0;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
    }
  </style>
  <style media="print">
    .no-print { display: none; }
  </style>
</head>

§WHATWG Specification

Trait Implementations§

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impl HtmlElement for Style

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const TAG: &'static str = "style"

The HTML tag name (e.g., “div”, “span”, “img”).
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const VOID: bool = false

Whether this is a void element (self-closing, no children allowed).
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impl CanContain<Style> for Head

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impl CanContain<Text> for Style

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impl MetadataContent for Style

Auto Trait Implementations§

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impl Freeze for Style

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impl RefUnwindSafe for Style

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impl Send for Style

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impl Sync for Style

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impl Unpin for Style

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impl UnwindSafe for Style

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.