The nav menu breaks the design of my website

[Dmitriifs]

Hello everyone!

I 'm going through Responsive Web Design course and I got stuck on the issue with my 3rd project -landing page.

1.So here is the design of my page I’m ok with:
https://codepen.io/dmitriifs/full/yLJJzRO

2. When I put my menu-links inside the nav element, as it required, the design breaks:
   >

            <a href="#about" class="nav-link">About</a>
            <a href="#ingredients" class="nav-link">Ingredients</a>
            <a href="#order" class="nav-link">Order</a>
            </nav>

However I tried to fix the issue with css, it didn’t look like I want(like in bullet №1).

#nav-bar>a{
display: flex;
flex-direction: row;
justify-content: space-between;
align-self: center;

So, the question №1 - why doesn’t flexbox work here?

3. Then, in order to make navbar always be at the top of the viewport, I added “position: fixed;” to properties of the header and it made an injury to insult:
   
   

Why doesn’t css grid work here and design breaks?

Thank you in advance for your help!

In addition:

1. The page with design I want but it doesn’t pass some tests:
   https://codepen.io/dmitriifs/full/yLJJzRO

2.The page that passes all tests but with broken design:

FCC_3_Landing Page

[mukeshgurpude]

@Dmitriifs

The page with design I want but it doesn’t pass some tests:
https://codepen.io/dmitriifs/full/yLJJzRO

I’ve added some style

header{width: 95%;}
#nav-bar>a{
     display: inline-block;
     margin: 2vw;
}
.grid>div.c{
    margin-top: 20vh;
}

This is how page is looking…
Hope this helps…

[Dmitriifs]

Thank you! It looks exactly how I wanted now! I still don’t understand why it doesn’t work with flexbox though …