My tea cozy project

<!DOCTYPE html>
<html lang="en">
<head>
    <link rel="stylesheet" href="resources\index.css" type="text/css">
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Tea shop</title>
</head>
<body>
    <header> 
        <div class="head"> 
            <img id="Logo" src="https://content.codecademy.com/courses/freelance-1/unit-4/img-tea-cozy-logo.png?_gl=1*1onwxj3*_ga*NDE1MjA5Mzc3My4xNjU3NTc4Njkz*_ga_3LRZM6TM9L*MTY1ODU0Njk2NS4zNi4xLjE2NTg1NDc4MDIuNTg." alt="">
              <ul>
                <li><a href="#">Mission</a></li>
                <li><a href="#">Featured Tea</a></li>
                <li><a href="#">Locations</a></li>
              </ul>
        </div>
    </header>
    <main>
        <section class="mission">
            <div class="Title">
                <h2>Our mission</h2>
                <h4>Handpicked, Artisanally Curated, Free Range, Sustainable, Small Batch, Fair Trade, Organic Tea</h4>
            </div>     
        </section>
        <section class="tom">
            <header>
                <div class="teas">
                    <h2>Tea of the Month</h2>
                    <p>What steeping at the Tea Cozy?</p>
                </div>
            </header>
            <div class="pics">
                <figure>
                    <img src="C:\Users\popco\OneDrive\Desktop\Coding\Tea Shop.html\images\img-berryblitz.jpg" alt="">
                    <figcaption>Fall Berry Blit Tea</figcaption>
                </figure>
                <figure>
                    <img src="C:\Users\popco\OneDrive\Desktop\Coding\Tea Shop.html\images\img-spiced-rum.jpg" alt="">
                    <figcaption>Spiced Rum Tea</figcaption>
                </figure>
                <figure>
                    <img src="C:\Users\popco\OneDrive\Desktop\Coding\Tea Shop.html\images\img-donut.jpg" alt="">
                    <figcaption>Seasonal Donut</figcaption>
                </figure>
                <figure>
                    <img src="C:\Users\popco\OneDrive\Desktop\Coding\Tea Shop.html\images\img-myrtle-ave.jpg" alt="">
                    <figcaption>Myrtle Ave Tea</figcaption>
                </figure>
                <figure>
                    <img src="C:\Users\popco\OneDrive\Desktop\Coding\Tea Shop.html\images\img-bedford-bizarre.jpg" alt="">
                    <figcaption>Bedford Bizarre Tea</figcaption>
                </figure>
            </div>
        </section>
        <section class="location">
            <div>
                <h2>Locations</h2>
            </div>
            <div class="address">
                <div class="down">
                    <h2>Downtown</h2>
                    <p>384 West 4th St</p>
                    <p>Suite 108</p>
                    <p>Portland, Maine</p>
                </div>
                <div class="east">
                    <h2>Eastside Bayside</h2>
                    <p>3433 Phisherman's Avenue</p>
                    <p>(Northwest Corner)</p>
                    <p>Portland, Maine</p>
                </div>
                <div class="oak">
                    <h2>Oakdale</h2>
                    <p>515 Crescent Avenue</p>
                    <p>Second Floor</p>
                    <p>Portland, Maine</p>
                </div>
            </div>
        </section>
        <section class="foot">
            <h2>The Tea Cozy</h2>
            <h5>contact@theteacozy.com</h5>
            <h5>917-555-8904</h5>
        </section>
        <h5 class="a">copyright The Tea Cozy 2021</h5>

    </main>
 
</body>
</html>
Body{
    background-color: black;
    color: seashell;
    font-family: helvetica;
    font-size: 22px;
    opacity: 0.9;
}
.head{
    display: flex;
    border-bottom: 1px solid seashell;
    align-items: center;
    justify-content: space-between;
    height: 69px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1;
    background-color: black;
}
li{
    display: inline-block;
    padding: 20px;
    color: seashell;
}#Logo{
    height: 50px;
    margin-left: 10px;
}
main .mission{
    display: flex;
    position: relative;
    top: 69px;
    margin: 0 auto;
    max-width: 1200px;
    height: 700px;
    background-image: url(../images/img-mission-background.jpg);
    background-position: center;
    background-size: cover;
    align-items: center;
    justify-content: center;
}
.Title{
    background-color: black;
    width: 100%;
    text-align: center;
}
.tom{
    display: flex;
    align-content: center;
    padding-top: 50px;
    flex-wrap: wrap;
    margin: 0 auto;
    max-width: 1000px;
}
.tom header{
    padding-left: 350px;
    padding-top: 100px;
}
.teas{
    width: 100%;
}
figure img{
    max-width: 300px;
    max-height: 200px;
}
.pics{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
}
figcaption{
    padding-top: 10px;
    text-align: center;
}
.location{
    min-height: 500px;
    width: 1000px;
    background-image: url(https://content.codecademy.com/courses/freelance-1/unit-4/img-locations-background.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    margin-bottom: 20px;
    margin-left: 500px;
    text-align: center;
    padding-top: 50px;
  }
  .address{
    display: flex;
    justify-content: center;
  }
  .down{
    background-color: black;
    margin: 20px;
  }
  .east{
    background-color: black;
    margin: 20px;
  }
  .oak{
    background-color: black;
    margin: 20px;
  }
  .foot{
    text-align: center;
  }
  .a{
    margin-left: 20px;
  }
  a{
    color: seashell;
  }

Would like a review and tips to make it look better please

https://k1ng-stryker.github.io/teacozy.github.io/
Here is my Live version