Full-stack engineer path-Dasmoto's Arts & Crafts- Feedback

Hello! I’d like feedback on my code and what I can do better.


<!DOCTYPE html>
<html lang="en">
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="./style.css"> 
    <title>Dasmoto's Art & Crafts</title>
    <h1>Dasmoto's Arts & Crafts</h1>
    <!--Brushes Section-->
    <h2 id="brushes">Brushes</h2>
    <img src=".//images/image 2.jpeg"> 
    <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>

    <!--Frames Section-->
    <h2 id="frames">Frames</h2>
    <img src=".//images/image 3.jpeg">
    <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>

    <!--Paint Section-->
    <h2 id="paint">Paint</h2>
    <img src=".//images/image 4.jpeg">
    <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>


h1 {
    background-image: url(".//images/image\ 1.jpeg");
    color: khaki;
    font-size: 100px;
    text-align: center;
    font-family: helvetica;
    font-weight: bold;

h2 {
    font-family: helvetica;
    font-size: 32px;
    font-weight: bold;
    color: white;

#brushes {
    background-color: mediumspringgreen;

#frames {
    background-color: lightcoral;

#paint {
    background-color: skyblue;

.price {
    font-family: helvetica;
    font-weight: bold;
    color: blue;