css
/* styles.css */
body {
  background-image: linear-gradient(90deg, hsla(0, 100%), hsla(0, 100%));
  background-size: 100px;
  background-position: 0 0;
  background-attachment: fixed;
  background-attachment: scroll;
  background-position: 0% 0%;
  background-origin: border;
  background-clip: border, padding;
  background-attachment: fixed;
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: scroll;
  background-attachment: fixed;
  background-clip: border;
  background-origin: border;
  background-attachment: scroll;
  background-clip: border;
  background-clip: padding;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
}

body:after {
  content: '';
  background: url('https://www.example.com/neo-brutalist-background.jpg') no-repeat 0 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

h1 {
  font-family: Arial, sans-serif;
  color: #ff0000;
  text-align: center;
  padding: 20px;
  border: 4px solid black;
  font-size: 24px;
  font-weight: bold;
  margin: 20px;
  background: linear-gradient(90deg, hsla(0, 100%), hsla(0, 100%));
  background-size: 100px;
  background-position: 0 0;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: scroll;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
}

h2 {
  font-size: 16px;
  font-family: Arial, sans-serif;
  color: #00ff00;
  text-align: center;
  padding: 10px;
  border: 2px solid black;
  margin: 10px;
  background: linear-gradient(90deg, hsla(0, 100%), hsla(0, 100%));
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: scroll;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
}

h3 {
  font-size: 12px;
  font-family: Arial, sans-serif;
  color: #0000ff;
  text-align: center;
  padding: 5px;
  border: 2px solid black;
  margin: 5px;
  background: linear-gradient(90deg, hsla(0, 100%), hsla(0, 100%));
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: fixed;
  background-attachment: scroll;
  background-attachment: scroll;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-clip: border;
  background-attachment: fixed;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-attachment: fixed;
}

p {
  color: #00ff00;
  font-size: 14px;
  font-family: Arial, sans-serif;
  text-align: center;
  padding: 10px;
  border: 2px solid black;
  margin: 10px;
  background: linear-gradient(90deg, hsla(0, 100%), hsla(0, 100%));
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: scroll;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-attachment: fixed;
}

a {
  text-decoration: none;
  color: #00ff00;
  font-size: 12px;
  font-family: Arial, sans-serif;
  text-align: center;
  padding: 5px;
  border: 2px solid black;
  margin: 5px;
  background: linear-gradient(90deg, hsla(0, 100%), hsla(0, 100%));
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: scroll;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-attachment: fixed;
}

a:hover {
  background: linear-gradient(90deg, hsla(0, 100%), hsla(0, 100%));
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: fixed;
  background-attachment: scroll;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-attachment: fixed;
}

body:after {
  content: '';
  background: url('https://www.example.com/neo-brutalist-background2.jpg') no-repeat 0 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

h1:after {
  content: '';
  background: url('https://www.example.com/neo-brutalist-background3.jpg') no-repeat 0 0;
  position: fixed;
  top: -20px;
  left: 50%;
  width: 100px;
  height: 20px;
  z-index: 1;
  border: 4px solid black;
  background-attachment: fixed;
  background-attachment: scroll;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-attachment: scroll;
  background-attachment: fixed;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-size: 100px 100px;
  background-position: 0 0;
  background-clip: border;
  background-clip: padding;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-clip: border;
  background-attachment: fixed;
}