What i m doing wrong?

<PLEASE USE THE FOLLOWING TEMPLATE TO HELP YOU CREATE A GREAT POST!>

<Below this line, add a link to the EXACT exercise that you are stuck at.>

https://www.codecademy.com/courses/web-beginner-en-f8mcL/2/3?curriculum_id=50579fb998b470000202dc8b
<In what way does your code behave incorrectly? Include ALL error messages.>

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<do not remove the three backticks above>

span works like this:
<span style="color:red"> </span>