Question 9 Program a CSS ruleset that will set the root font size for the HTML document to match the user's browser preference. Feedback Question 2 Program a CSS media query that is triggered if the...

Extracted text: Question 9 Program a CSS ruleset that will set the root font size for the HTML document to match the user's browser preference. Feedback Question 2 Program a CSS media query that is triggered if the screen is at least 900px wide, but use em as the size unit in the query. Within the media query, write a rule for an element with a id equal to header. That rule should set the font size to three times the current size. Note: You should assume the parent element's font-size is equivalent to 16px. @media screen and (min-width: 56.25em) { .header { font-size:300%; } }