Learn More About CSS Pseudo Selectors By Building A Balance Sheet - Step 62

[Ahmed18]

Tell us what’s happening:
I want to know about the space here :
th .description.

why it would not work if we write th.description, like we used to select a class selector.
Your code so far

tr.data th .description {
  display: block;
  font-style: italic;

 }

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Challenge: Learn More About CSS Pseudo Selectors By Building A Balance Sheet - Step 62

Link to the challenge:

freeCodeCamp.org

[hbar1st]

th .description 

this code will

target the elements with the class set to description that are within your th elements (quote from the instructions)

example would be:

<th> <span class=“description”>pick me</span></th>

however if you remove the space then you are targeting the elements that are th elements and have a description class.
example would be

<th class=“description”>pick me instead</th>

[Ahmed18]

now I see a clear image. “withing your th elements”
that’s it.
much obliged.