Help me in solving HTML54 problem

My issue

.section1{
color:red;
}

p{
color:blue;
}

#paragraph2{
color:green;
} when I execute one by run by this I come to know first id dominates element selector dominates class selector but 1. ID selectors (id): Highest precedence
2. Class selectors (.class): Medium precedence
3. Element selectors (element): Lowest precedence

My code

// your code goes here

Learning course: Learn HTML / CSS
Problem Link: CSS Selector specificity in HTML / CSS