Help me in solving HTML45 problem

help
,
1

My issue

is something wrong i have did ?? because the site is showing error "Did you Update

    on line 9 as required? " !! Can Someone let me know

    My code

    // your code goes here

    Learning course: Learn HTML / CSS
    Problem Link: CSS Inline styling Practice Problem in Learn HTML / CSS - CodeChef

2

add single quotes and don’t add any space between two css property