CSS Color Markers step 35 make gradiant Background (please correct my declaration order)

Tell us what’s happening:
I want to make my selected target background gradiant stacked because don’t really grasp the rule concept/order to make it works please correct my code
.red {
Your code so far

background linear-gradient:(90 #00CC00, rgb (127,0,255) );

We are glad you solved this. Please no need to post your solution here as it is just going to derail someone else’s learning.
thanks in advance.