css
/* neobrutalism.css */

body {
  background-color: #f2f2f2;
  background-image: linear-gradient(90deg, #ff0000, #00ff00);
  background-size: 100px 100px;
  background-position: 0 0;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-clip: padding-box;
  background-clip: border-box;
  background-origin: padding-box;
  background-clip: border-box;
}

body, html {
  font-size: 1.2rem;
  font-weight: bold;
  font-family: Arial, 'Arial Black', sans-serif;
  margin: 0;
  padding: 0;
  border: 2px solid #000000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

h1, h2, h3, h4, h5, h6, p, span, a {
  border-bottom: 4px solid #000000;
  margin: 0;
  padding: 0;
  color: #ffffff;
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

h1 {
  font-size: 2.4rem;
  letter-spacing: 1px;
  line-height: 1.4;
  font-family: 'Arial Black', 'Arial', sans-serif;
}

h2 {
  font-size: 1.8rem;
  letter-spacing: 1px;
  line-height: 1.2;
  font-family: 'Arial Black', 'Arial', sans-serif;
}

h3 {
  font-size: 1.6rem;
  letter-spacing: 1px;
  line-height: 1.2;
  font-family: 'Arial Black', 'Arial', sans-serif;
}

h4 {
  font-size: 1.4rem;
  letter-spacing: 1px;
  line-height: 1.2;
  font-family: 'Arial Black', 'Arial', sans-serif;
}

h5 {
  font-size: 1.2rem;
  letter-spacing: 1px;
  line-height: 1.2;
  font-family: 'Arial Black', 'Arial', sans-serif;
}

h6 {
  font-size: 1rem;
  letter-spacing: 1px;
  line-height: 1.2;
  font-family: 'Arial Black', 'Arial', sans-serif;
}

h1 a, h2 a, h3 a, h4 a, h5 a, h6 a {
  border-bottom: 4px solid #000000;
  color: #00ff00;
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
  font-size: 1.6rem;
  margin: 0;
  padding: 0 5px;
}

h1 a:hover, h2 a:hover, h3 a:hover, h4 a:hover, h5 a:hover, h6 a:hover {
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.5), 0 0 10px #00ff00;
  background-color: #00ff00;
  color: #000000;
}

p {
  font-size: 1.4rem;
  letter-spacing: 1px;
  line-height: 1.2;
  font-family: 'Arial Black', 'Arial', sans-serif;
  margin: 1rem 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: #00ff00;
  border-bottom: 4px solid #000000;
  margin: 0;
  padding: 0 5px;
}

a:hover {
  text-decoration: none;
  color: #000000;
  border-bottom: 4px solid #00ff00;
  background-color: #00ff00;
}

code {
  font-family: monospace;
  font-size: 1.2rem;
  font-weight: bold;
  background-color: #ff0000;
  padding: 2px;
  border-radius: 5px;
  margin: 0 2px 5px 0;
  border: 1px solid #000000;
}

span {
  font-size: 1.2rem;
  letter-spacing: 1px;
  line-height: 1.2;
  font-family: 'Arial Black', 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  border: 2px solid #000000;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

span a {
  border-bottom: 4px solid #000000;
  color: #00ff00;
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
  font-size: 1.6rem;
  margin: 0;
  padding: 0 5px;
}

span a:hover {
  text-decoration: none;
  color: #000000;
  border-bottom: 4px solid #00ff00;
  background-color: #00ff00;
}

img {
  display: none;
}

body * {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
  -o-box-sizing: border-box;
}

body *::before {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
  -o-box-sizing: border-box;
}

body *::after {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
  -o-box-sizing: border-box;
}

body::before {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
  -o-box-sizing: border-box;
}

body::after {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
  -o-box-sizing: border-box;
}

body::before, body::after {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
  -o-box-sizing: border-box;
}

body::after, body::before {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
  -o-box-sizing: border-box;
}