What are three valid ways of adding CSS to an HTML page?
1. External; CSS is written in a separate file and is linked within the <head> element of the HTML file. 2. Inline; CSS is added to the HTML tag. 3. Internal; CSS is included within the <head> element of the HTML file.
1. External; CSS is written in a separate file. 2. Inline; CSS is added to the <head> of the HTML page. 3. Internal; CSS is included within the HTML tags.
1. External; CSS is written in a separate file and is linked within the <header> element of the HTML file. 2. Inline; CSS is added to the HTML tag. 3. Internal; CSS is included within the <header> element of the HTML file.
1. External; CSS is written in a separate file and is linked within the <head> element of the HTML file. 2. Internal; CSS is included within the <header> element of the HTML file. 3. Inline; CSS is added to the HTML tag.