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CSS CSS Basics (2014) Understanding Values and Units Em and Rem Units

Kody Dibble
Kody Dibble
2,554 Points

Not sure what to do for rems ?

Can't figure out how many rems it's asking me for the .title and h1?

style.css
/* Complete the challenge by writing CSS below */

header {
  font-size: 1.8em;
}

.title {
  font-size: .75rem;
}

h1 {
  font-size: .75rem;
}
index.html
<!DOCTYPE html>
<html>
  <head>
    <title>Lake Tahoe</title>
    <link rel="stylesheet" href="page.css">
    <link rel="stylesheet" href="style.css">
  </head>
  <body>
    <header>
      <span class="title">Journey through the Sierra Nevada Mountains</span>
      <h1>Lake Tahoe, California</h1>
    </header>
    <div class="main-content">
      <p>
        Lake Tahoe is one of the most breathtaking attractions located in California. It's home to a number of ski resorts, summer outdoor recreation, and tourist attractions. Snow and skiing are a significant part of the area's reputation.
      </p>
      <a href="#">Find out more</a>
      <h2>Check out all the Wildlife</h2>
      <p>
        As spawning season approaches, the fish acquire a humpback and protuberant jaw. After spawning, they die and their carcasses provide a feast for gatherings of mink, bears, and Bald eagles.
      </p>
      <a href="#">See the Wildlife</a>
      <h3>From Tents to Resorts</h3>
      <p>
        Lake Tahoe is full of wonderful places to stay. You have the ability to sleep in the outdoors in a tent, or relax like a king at a five star resort. Here are our top three resorts:
      </p>
    </div>
    <footer>
      <p>All rights reserved to the state of <a href="#">California</a>.</p>
      <a href="#top">Back to top &raquo;</a>
    </footer>
  </body>
</html>

2 Answers

Roberto Alicata
PLUS
Roberto Alicata
Courses Plus Student 39,959 Points

The challenge asks to change the em unit of .title and h1 with a unit that is relative to the root element of the page, so you just need to replace the word "em" with "rem" for .title and h1.

header {
  font-size: 1.8em;
}

.title {
  font-size: 1.625rem;
}

h1 {
  font-size: 5.625rem;
}

In the next steps the challenges ask to make a mathematical calculation to calculate the em value for the h2 and h3 given a parent element with a font-size value of 16px.

Es. to obtain 53px you need to make: 53 / 16 = 3.3125 , so the font-size will be equal 3.3125em

Kody Dibble
Kody Dibble
2,554 Points

Hey thanks for the help.