The invalid CSS selector from the options provided is "$element". In CSS, selectors are used to select and manipulate HTML elements. The valid selectors are:

1. ".class" - This is a class selector. It selects elements with a specific class attribute.

2. "#id" - This is an id selector. It selects an element with a specific id attribute.

3. "element" - This is a type selector. It selects elements with the given tag name.

However, "$element" is not a valid CSS selector. The dollar sign ($) is not used to define selectors in CSS.

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The invalid CSS selector from the options provided is "$element". In CSS, selectors are used to select and manipulate HTML elements. The valid selectors are:

1. ".class" - This is a class selector. It selects elements with a specific class attribute.

2. "#id" - This is an id selector. It selects an element with a specific id attribute.

3. "element" - This is a type selector. It selects elements with the given tag name.

However, "$element" is not a valid CSS selector. The dollar sign ($) is not used to define selectors in CSS.

Knowee AI · Accepted Answer

The invalid CSS selector from the options provided is "$element". In CSS, selectors are used to select and manipulate HTML elements. The valid selectors are:

1. ".class" - This is a class selector. It selects elements with a specific class attribute.

2. "#id" - This is an id selector. It selects an element with a specific id attribute.

3. "element" - This is a type selector. It selects elements with the given tag name.

However, "$element" is not a valid CSS selector. The dollar sign ($) is not used to define selectors in CSS.

Which of the following is NOT a valid CSS selector?(2 Points).class#id$elementelement

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