Dasmotos Arts & Crafts: Peer review

Hello, this was my first time posting here and I just wanted to get the hang of using a forum as well as asking for help as that has always been a weak spot of mine. I feel like I over complicated my code and would like someone to help me understand where I could’ve just been more efficient

HTML file

Dasmoto's Arts & Crafts
    <div class="header"><h1>Dasmoto's Arts & Crafts</h1></div>

<div>
    <h2 id="brush">Brushes</h2>
    <img src="./resources/images/hacksaw.jpeg" alt="" >
    <h3>Hacksaw Brushes</h3>
    <p>Made of the highest quality oak, Hacksaw brushes are known for their weight and ability to hold paint in large amounts. Available in different sizes. <span class="price">Starting at $3.00 / brush.</span>
    </p>
</div>
<div>
    <h2 id="frames">Frames</h2>
    <img src="./resources/images/frames.jpeg" alt="">
    <h3>Art Frames (assorted)</h3>
    <p>Assorted frames made of different material, including MDF, birchwood, and PDE. Select frames can be sanded and painted according to your needs. <span class="price">Starting at $2.00 / frame.</span>
    </p>   
</div>
<div>
    <h2 id="paint">Paint</h2>
    <img src="./resources/images/finnish.jpeg" alt="">
    <h3>Clean Finnish Paint</h3>
    <p>Imported paint from Finland. Over 256 colors available in-store, varying in quantity (1 oz. to 8 oz.). Clean Finnish paint microbinds to canvas, increasing the finish and longevity of any artwork. <span class="price">Starting at $5.00 / tube.</span>
    </p>
</div>

CSS file

.header {
font-family: Arial, Helvetica, sans-serif;
font-size: 100px;
font-weight: bold;
color: khaki;
text-align: center;
background-image: url(/Users/Saint.C/Documents/Projects/Solo.Assignment/resources/images/pattern.jpeg);
padding: 100px, 0px;
}

#brush {
background-color: mediumspringgreen;
font-family: Arial, Helvetica, sans-serif;
font-size: 32px;
font-weight: bold;
color: white;
margin: 20px 0px;
}

#frames {
background-color: lightcoral;
font-family: Arial, Helvetica, sans-serif;
font-size: 32px;
font-weight: bold;
color: white;
}

#paint {
background-color: skyblue;
font-family: Arial, Helvetica, sans-serif;
font-size: 32px;
font-weight: bold;
color: white;
}

.price {
font-family: Arial, Helvetica, sans-serif;
color: blue;
font-weight: bold;
}