Make a CSS for thingy.html, which has rounded corners, Roboto font, @import, shadows, little transparency, and main is a bit widish than the header. And a background-image
<html>
<head>
<title>Alternative Series</title>
<link rel="stylesheet" type="text/css" href="styles.css">
</head>
<body>
<header>
<h1 class="title">Alternative Series</h1>
</header>
<main>
<p class="series-info">Alternative Series was made on July 21st, and there are currently 3 series: Series 1 (July 21st to 23rd), Series 2 (July 30th), and Series 2.P (July 30th).</p>

<h2 class="chosen-by">This was chosen by Pefoos like you. Help become one and support the series on <a href="http://www.tfous.org">TFOUs.org</a>.</h2>

<h3 class="progress-meter">Progress meter:</h3>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design1/prog1.png"><p>Bar System 1</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design1/prog2.png"><p>Bar System 2</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design1/prog3.png"><p>Bar System 3</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design2/prog4.png"><p>Bar System 4</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design2/prog5.png"><p>Bar System 5</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design2/prog6.png"><p>Bar System 6</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design3/prog7.png"><p>BarOS 7</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design3/prog8.png"><p>BarOS 8</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design3/prog9.png"><p>BarOS 9</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design4/prog10.png"><p>BarOS 10</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design4/prog11.png"><p>BarOS 10.II</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design4/prog12.png"><p>BarOS 10.III</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design4/prog13.png"><p>BarOS 11</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design4/prog14.png"><p>BarOS 12</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design4/prog15.png"><p>BarOS 13</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design3/prog8.png"><p>BarOS 8</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/devices/design4/progh.png"><p>H@ckgresh</p></div>
<div class="progress-bar"><img src="file:///Users/clippy159/Downloads/com.spookyhousestudios.progressbar95/assets/art/skins/BOS/installicon.png"><p>B OS</p></div>
<div class="progress-bar"><p>OptometryOS</p></div>

<h3 class="cpus">CPUs:</h3>
<h4 class="old-cpus">Old:</h4>
<ul class="cpu-list">
<li>BA1</li>
<li>BA2</li>
<li>BA3</li>
<li>BA4</li>
<li>BA5</li>
<li>BA6</li>
<li>BA7</li>
<li>BAX</li>
</ul>
<h4 class="new-cpus">New (starting with BarOS 8):</h4>
<ul class="cpu-list">
<li>Bikerola 128030 66Mhz</li>
<li>PBPower 9p 200Mhz</li>
<li>PBPower 630 350Mhz</li>
<li>PBPower 640 1.0 Ghz</li>
<li>Corn 3i-3K 3.1Ghz</li>
<li>Corn 3i-6K 3.7Ghz</li>
<li>B1</li>
<li>B2</li>
<li>O1</li>
</ul>

<h3 class="ram">RAM:</h3>
<p class="current-amount">Current amount: 16 GB</p>
</main>
</body>
</html>