css
/* style.css */

body {
  background-color: #f7d2a7;
  font-family: "Open Sans", Arial, sans-serif;
  font-size: 14px;
  line-height: 20px;
  color: #000;
  background-image: linear-gradient(90deg, #ff0000 0 0, #ffffff 100% 100%);
  background-size: 20px 20px;
  -webkit-background-size: 20px 20px;
}

body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(0deg, #000 0 0, #000 0 100%);
  background-size: 2000px 100%;
  -webkit-clip-path: polygon(0 0, 0 0, 0 0, 100% 0, 100% 100%, 100% 100%, 100% 0);
  clip-path: polygon(0 0, 0 0, 0 0, 100% 0, 100% 100%, 100% 100%, 100% 0);
  z-index: -1;
}

h1 {
  font-size: 24px;
  font-weight: bold;
  color: #000;
  text-align: center;
  text-transform: uppercase;
  margin-top: 20px;
  border-bottom: 4px solid #000;
  padding: 10px 0 20px 0;
  background: linear-gradient(90deg, #ff0000 0 0, #ff0000 100% 0);
  background-size: 20px 20px;
  -webkit-background-size: 20px 20px;
  box-shadow: 0 4px 4px #ff0000;
  border-top: 2px solid #000;
  border-bottom: 2px solid #000;
}

h2 {
  font-size: 16px;
  font-weight: bold;
  color: #000;
  text-align: center;
  margin: 10px 0 10px 0;
  background: linear-gradient(90deg, #000 0 0, #ff0000 100%);
  background-size: 20px 20px;
  -webkit-background-size: 20px 20px;
  border: 1px solid #000;
  border-radius: 4px 4px 4px 4px;
  box-shadow: 0 2px 2px #000;
  padding: 8px 0 8px 0;
}