css
/* style.css */
body {
  background-color: #f0f0f0;
  font-family: "Arial", sans-serif;
  margin: 0;
  padding: 0;
}

h1 {
  color: #ff0000;
  font-size: 24px;
  text-align: center;
  padding: 4px 8px;
  margin-bottom: 8px;
  border-bottom: 4px solid #666666;
  border-top: 1px solid #666666;
  border-left: 4px solid #999999;
  border-right: 4px solid #999999;
  box-shadow: 0px 0px 0px #666666;
}

h2 {
  color: #00ff00;
  font-size: 20px;
  text-align: center;
  padding: 4px 8px;
  margin-bottom: 8px;
  border-bottom: 4px solid #666666;
  border-top: 1px solid #666666;
  border-left: 4px solid #999999;
  border-right: 4px solid #999999;
  box-shadow: 0px 0px 0px #666666;
}

h3 {
  color: #0000ff;
  font-size: 18px;
  text-align: center;
  padding: 4px 8px;
  margin-bottom: 8px;
  border-bottom: 4px solid #666666;
  border-top: 1px solid #666666;
  border-left: 4px solid #999999;
  border-right: 4px solid #999999;
  box-shadow: 0px 0px 0px #666666;
}

p {
  font-size: 14px;
  color: #333333;
  padding: 4px 8px;
  margin: 8px 8px;
  border-bottom: 4px solid #666666;
  border-top: 1px solid #666666;
  border-left: 4px solid #999999;
  border-right: 4px solid #999999;
}

a {
  text-decoration: none;
  color: #0000ff;
  font-weight: bold;
  text-align: center;
  margin: 4px 8px;
  border-bottom: 4px solid #666666;
  border-top: 1px solid #666666;
  border-left: 4px solid #999999;
  border-right: 4px solid #999999;
  box-shadow: 0px 0px 0px #666666;
  background-color: #cccccc;
  padding: 4px 8px;
  font-size: 12px;
}

/* Links and Buttons */
a:link {
  text-decoration: none;
  color: #ff00ff;
  font-weight: bold;
  text-align: center;
  margin: 4px 8px;
  border-bottom: 4px solid #666666;
  border-top: 1px solid #666666;
  border-left: 4px solid #999999;
  border-right: 4px solid #999999;
  box-shadow: 0px 0px 0px #666666;
  background-color: #cccccc;
  padding: 4px 8px;
}

button {
  background-image: none;
  background-color: #666666;
  border: 4px solid #333333;
  border-radius: 4px 4px 4px 4px;
  padding: 8px 16px;
  font-size: 14px;
  font-family: "Arial", sans-serif;
  cursor: pointer;
  box-shadow: 0px 0px 0px #666666;
}

.button:hover {
  background-color: #333333;
  border: 4px solid #666666;
  border-radius: 4px 4px 4px 4px;
  padding: 8px 16px;
  font-size: 14px;
  font-family: "Arial", sans-serif;
  cursor: pointer;
  box-shadow: 0px 0px 0px #666666;
}

.button:focus {
  background-color: #666666;
  border: 4px solid #999999;
  border-radius: 4px 4px 4px 4px;
  padding: 8px 16px;
  font-size: 14px;
  font-family: "Arial", sans-serif;
  cursor: pointer;
  box-shadow: 0px 0px 0px #999999;
}

/* Headings */
h1, h2, h3 {
  font-size: 20px;
  font-weight: normal;
  color: #666666;
  margin-bottom: 8px;
  padding: 4px 8px;
  border-bottom: 4px solid #000000;
  border-top: 1px solid #000000;
  border-left: 4px solid #666666;
  border-right: 4px solid #666666;
  box-shadow: 0px 0px 0px #000000;
}

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 8px 8px;
  border-bottom: 4px solid #666666;
  border-top: 1px solid #666666;
  border-left: 4px solid #999999;
  border-right: 4px solid #999999;
  box-shadow: 0px 0px 0px #666666;
}

th {
  background-color: #999999;
  padding: 4px 8px;
  border-bottom: 4px solid #666666;
  border-top: 1px solid #666666;
  border-left: 4px solid #999999;
  border-right: 4px solid #999999;
  box-shadow: 0px 0px 0px #666666;
  font-weight: bold;
  color: #333333;
}

td {
  padding: 4px 8px;
  border-bottom: 4px solid #666666;
  border-top: 1px solid #666666;
  border-left: 4px solid #999999;
  border-right: 4px solid #999999;
  box-shadow: 0px 0px 0px #666666;
}

/* Miscellaneous */
img {
  max-width: 100%;
  height: auto;
  border: 4px solid #666666;
  border-radius: 4px 4px 4px 4px;
  padding: 4px 8px;
  margin: 8px 8px;
  box-shadow: 0px 0px 0px #666666;
}

/* Responsive */
@media (min-width: 0) {
  body {
    font-size: 12px;
  }
}

@media (min-width: 768px) {
  body {
    font-size: 16px;
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 18px;
  }
}

@media (min-width: 1280px) {
  body {
    font-size: 20px;
  }
}