/* Global Styles */
body {
  font-family: 'Aurora';
  background: linear-gradient(90deg, #f2f2f2, #f2f2f2, #f2f2f2, #f2f2f2, #f2f2f2);
}

/* Color Schemes */
:root {
  --primary: #ffcc00;
  --secondary: #333;
}

/* Elements */
h1, h2, h3, h4 {
  color: var(--primary);
  border: 4px solid var(--primary);
  box-shadow: 4px 4px 0px var(--primary, inset 4px 4px var(--secondary));
  font-weight: bold;
  text-shadow: 4px 4px 4px var(--primary, -4px -4px -4px var(--secondary));
}

h2, h3, h4 {
  margin: 1em 0 0 0;
  padding: 4px 0;
  text-align: center;
  border-bottom: 2px solid var(--secondary);
}

h3, h4 {
  padding-bottom: 2px;
  border-radius: 4px;
  margin: -1px 0;
}

p {
  color: var(--secondary);
  padding: 4px 0;
  border: 1px dotted var(--secondary);
  text-align: left;
}

a {
  text-decoration: none;
  color: var(--secondary);
  border: 2px solid var(--primary);
  background: var(--secondary);
  padding: 8px 16px;
  border-radius: 10px;
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  text-shadow: 0px 0px 0px var(--primary, -0px -0px -0px var(--secondary));
}

a:hover {
  background: var(--primary);
  color: var(--secondary);
  border: 2px solid var(--secondary);
}

a:visited {
  background: var(--primary);
  border: 2px solid var(--secondary);
  color: var(--secondary);
  text-decoration: underline;
  text-shadow: 0px 0px 0px var(--primary, -0px -0px -0px var(--secondary));
}

img {
  width: 100%;
  max-height: 100vh;
  object-fit: cover;
  border: 2px solid var(--primary);
  border-radius: 4px 4px 4px 4px;
  box-shadow: 8px 8px 8px var(--secondary);
  margin: 0 0 4px 0;
  padding: 4px 4px 0 4px;
}

img + img {
  border-bottom: 0;
  margin: 0 0 8px 0;
  padding: 8px 8px 0 8px;
}

img + img + img {
  border-bottom: 4px solid var(--primary);
  border-radius: 4px 4px 0 0;
  margin: 8px 8px 4px 8px;
  padding: 4px 4px 4px 8px;
}

/* Responsive */
@media (min-width: 768px) {
  h3, h4 {
    font-size: 18px;
    margin: 1.5em 0 0 0;
  }
  p {
    font-size: 16px;
  }
  img {
    width: 50%;
  }
  img + img {
    border-bottom: 2px solid var(--primary);
  }
  img + img + img {
    border-bottom: 4px solid var(--primary);
  }
}

/* 404 Page */
body {
  background: linear-gradient(90deg, #333, #333, #333, #333, #333);
  border: 8px solid #333;
  box-shadow: 8px 8px 8px var(--primary);
  font-family: 'Courier';
  font-size: 20px;
}

h1 {
  color: var(--secondary);
  text-align: center;
  font-weight: bold;
  text-shadow: 4px 4px 4px var(--primary, -4px -4px -4px var(--secondary));
  border: 4px solid var(--secondary);
  padding: 8px 16px;
  border-radius: 16px;
}

h2 {
  text-align: center;
  color: var(--primary);
  border: 4px solid var(--secondary);
  padding: 8px 16px;
  border-radius: 16px;
}

p {
  text-align: left;
  font-size: 20px;
  color: var(--secondary);
  border: 1px dotted var(--secondary);
  padding: 8px 16px;
  margin: 16px 0;
}

a {
  text-decoration: none;
  color: var(--secondary);
  border: 2px solid var(--primary);
  background: var(--primary);
  padding: 8px 16px;
  border-radius: 16px;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  text-shadow: 0px 0px 0px var(--primary, -0px -0px -0px var(--secondary));
}

a:hover {
  background: var(--secondary);
  color: var(--primary);
  border: 2px solid var(--primary);
}

/* /snacks.css */
<h1>Welcome to the Snack Sanctuary!</h1>
<p>Here you can find an endless supply of tasty treats to satiate your cravings.</p>
<p><a href="/snacks/bars">Bars</a> <a href="/snacks/chips">Chips</a> <a href="/snacks/cookies">Cookies</a></p>
<p><a href="/snacks/pretzels">Pretzels</a> <a href="/snacks/popcorn">Popcorn</a> <a href="/snacks/crackers">Crackers</a></p>
<p><a href="/snacks/dips">Dips</a> <a href="/snacks/cheese">Cheese</a> <a href="/snacks/condiments">Condiments</a></p>
<p><a href="/snacks/other">Other Snacks</a></p>

/* /snacks/bars */
<h2>Bars</h2>
<p>Browse our selection of delicious bars to satisfy your cravings.</p>
<p><a href="/snacks/bars/energy">Energy Bars</a> <a href="/snacks/bars/sugar-free">Sugar-Free Bars</a> <a href="/snacks/bars/protein">Protein Bars</a></p>
<p><a href="/snacks/bars/vegan">Vegan Bars</a> <a href="/snacks/bars/organic">Organic Bars</a> <a href="/snacks/bars/gluten-free">Gluten-Free Bars</a></p>
<p><a href="/snacks/bars/other">Other Bars</a></p>

/* /snacks/bars/energy */
<h2>Energy Bars</h2>
<p>Recharge with our energy bars!</p>
<p><a href="/snacks/bars/energy/fruit-infused">Fruit-Infused Energy Bars</a> <a href="/snacks/bars/energy/protein-infused">Protein-Infused Energy Bars</a></p>
<p><a href="/snacks/bars/energy/sugar-free">Sugar-Free Energy Bars</a></p>
<p><a href="/snacks/bars/energy/other">Other Energy Bars</a></p>

/* /snacks/bars/energy/fruit-infused */
<h2>Fruit-Infused Energy Bars</h2>
<p>Boost your energy with our fruity bars!</p>
<p><a href="/snacks/bars/energy/fruit-infused/berries">Berries</a> <a href="/snacks/bars/energy/fruit-infused/bananas">Bananas</a> <a href="/snacks/bars/energy/fruit-infused/oranges">Oranges</a></p>
<p><a href="/snacks/bars/energy/fruit-infused/other">Other Fruits</a></p>