AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.8.5" />

.NET API 1,113,600 bytes

 CssStyleDeclaration

sealed class CssStyleDeclaration : ICssStyleDeclaration, IEnumerable<ICssProperty>, IEnumerable
Represents a single CSS declaration block.
public string CssText { get; set; }

Gets or sets the textual representation of the declaration block.

public bool IsReadOnly { get; }

Gets if the style declaration is read-only and must not be modified.

public string this[int index] { get; }

Gets the name of the property at the given index.

public int Length { get; }

Gets the number of properties in the declaration.

public ICssRule Parent { get; }

Gets the containing CSSRule.

public event EventHandler Changed

public IEnumerator<ICssProperty> GetEnumerator()

Returns an ienumerator that enumerates over all entries.

public string GetPropertyPriority(string propertyName)

Returns the optional priority, "important".

public string GetPropertyValue(string propertyName)

Returns the value of a property.

public string RemoveProperty(string propertyName)

Removes the given property and returns its value.

public void SetProperty(string propertyName, string propertyValue, string priority = null)

Sets a property with the given name and value.

public void SetPropertyPriority(string propertyName, string priority)

public void SetPropertyValue(string propertyName, string propertyValue)