My last two test are 
You should have an img element with an id of image .
and
Your #image should have a max-width of 100% .
I cannot see my mistake. Please help…
HTML---------
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>George Washington Carver</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<main id="main">
<div class="header">
<h1 id="title">George Washington Carver</h1>
<h2>Agricultural Scientist, Innovator, Enviromentalist</h2>
</div>
<div id="image">
<figure id="img-div">
<img id="image" src="https://org-dcmp-staticassets.s3.us-east-1.amazonaws.com/posterimages/17247_1.jpg"></img>
<figcaption id="img-caption">"There is no short cut to achievement. Life requires thorough preparation—veneer isn't worth anything."
</figcaption>
</figure>
</div>
<div id="tribute-info">
<h3>Here is a short timeline of George Washington Carver's life.</h3>
<ul>
<li><span>1860-1864 ?</span> - Born into slavery, Diamond Grove Missori.</li>
<li><span>1886</span> - Homesteaded a claim near Beeler, Kansas.</li>
<li><span>1888</span> - Obtained a $300 loan for education from the Bank of Ness City.</li>
<li><span>1890</span> - Studied Art and Piano at Simpson College in Indianola, Iowa</li>
<li><span>1891</span> - Became the First black student at Iowa State University</li>
<li><span>1894</span> - Recieved a B.A. in Agriculture</li>
<li><span>1896</span> - Earned his Masters of Science in Bacterial Botnay and Agriculture and taught as the first black faculty member at Iowa State University</li>
<li><span>1896</span> - Left Iowa State to head the Agriculture Department at the Tuskegee Institute (now Tuskegee University) where he taught for 47 years.</li>
<li><span>1898</span> - From 1898-1943 Carver published 44 practical bulletins for farmers. Spaning the subject of sweet potatoes, cotton, cowpeas, alfalfa, wild plums, tomatoes, ornamental plants, corn, poultry, dairying, hogs, preserving meats in hot weather, and nature study in schools.</li>
<li><span>1915</span> - Carver began developing techniques to improve soils depleted by repeated planting of cotton thus playing a big part in the revival of agriculture in the southern United States.</li>
<li><span>1921</span> - In 1921, George Washington Carver testified before Congress on behalf of the United Peanut Association of America.</li>
<li><span>1928</span> - Receives an Honorary Doctorates Degree of Science from Simpson college.</li>
<li><span>1934</span> - Begins a correspondence with Henry ford.</li>
<li><span>1942</span> - Arrives in Dearborn Michigan to assist Henry Ford in the development of a synthetic rubber substitute.</li>
<li><span>Jan 5 1943</span> - George Washington Carver dies at the Tuskegee Institute</li>
</ul>
</div>
<div id="image2">
<img id="image2" src="https://upload.wikimedia.org/wikipedia/commons/8/8b/GEORGE_WASHINGTON_CARVER_-_ONE_OF_AMERICA%27S_GREAT_SCIENTISTS_-_NARA_-_535694.jpg"
</div>
<footer>
<h3>If you wish to know more about George Washington Carver and his many contributions <a id="tribute-link" href="https://en.wikipedia.org/wiki/George_Washington_Carver" target="_blank">at his Wikipedia Entry</a></h3>
</main>
</body>
</html>
CSS-------
html {font-size: 10px;}
body {font-family: Arial, Helvetica, sans-serif;
font-size: 1.6rem;
line-height: 1.5;
text-align: center;
color: #333;
margin: 0;
}
h1 {
font-size: 4rem;
margin-bottom: 0;
}
h2, h3 {
font-size: 2rem;
color:#74638f;
}
img {
display: block;
height: auto;
background-color: black;
}
#img { margin: 0 auto;
max-width: 100%;}
figure {
font-size: 1.5rem;
background-color: black;
font-style: italic;
padding: 2px;
text-align:center;
}
a {
color: #477ca7;
}
a:visited {
color: #008000;
}
#main {
margin: 30px 8px;
padding: 15px;
border-radius: 5px;
background: #eee;
}
#img-div {
background: white;
padding: auto;
padding-top: 35px;
margin: 0;
}
ul {
max-width: 550px;
margin: 0 auto 50px auto;
text-align: left;
line-height: 1.6;
}
li {
margin: 7px 0;
}
