Help me in solving HTML47 problem

help
,
1

My issue

My code

process.stdin.resume();
process.stdin.setEncoding('utf8');

// your code goes here

Learning course: Learn HTML / CSS
Problem Link: CodeChef: Practical coding for everyone

2

My code is showing error even my answr is correct

Code
h2 {
color: red;
font-size: 24px;
}

ol {
color: blue;
font-size: 16px;
}
leaning course: Learn HTML / CSS
problem link: CodeChef: Practical coding for everyone