css
/* styles.css */
body {
  background-color: #f7f7f7;
  font-family: 'Open sans', sans-serif;
  font-weight: bold;
  font-size: 18px;
  line-height: 24px;
  margin: 0;
  padding: 0;
  border: 4px solid black;
  box-shadow: 0 0 0 black;
  background-image: linear-gradient(90deg, #333 0%, #666 100%);
  background-size: 100px 100px;
  background-repeat: repeat;
  background-position: 0 0;
  -webkit-background-clip: border;
  background-clip: border;
  -webkit-box-shadow: none;
  box-shadow: none;
  -webkit-border-radius: 0;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 100%;
  max-width: 800px;
  max-height: 600px;
  margin-left: auto;
  margin-right: auto;
  overflow-x: hidden;
  padding-top: 24px;
  padding-bottom: 24px;
  padding-left: 24px;
  padding-right: 24px;
}

h1, h2, h3, h4, h5, h6 {
  color: white;
  text-shadow: 0 0 0 black;
  font-weight: bolder;
  font-size: 32px;
  line-height: 40px;
  margin: 0;
  padding: 0;
  border: 4px solid black;
  background-color: #666;
  -webkit-background-clip: border;
  background-clip: border;
  -webkit-box-shadow: none;
  box-shadow: none;
  -webkit-border-radius: 0;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 50px;
  max-width: 100%;
  max-height: 50px;
  margin-left: auto;
  margin-right: auto;
  overflow-x: hidden;
  padding-left: 24px;
  padding-right: 24px;
  padding-top: 0;
  padding-bottom: 0;
  box-sizing: border-box;
}

h1 {
  font-size: 48px;
  line-height: 60px;
  background-image: linear-gradient(90deg, #666 0%, #999 100%);
  background-size: 100px 100px;
  background-repeat: repeat;
  background-position: 0 0;
  -webkit-background-clip: border;
  background-clip: border;
  -webkit-box-shadow: none;
  box-shadow: none;
  -webkit-border-radius: 0;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 100px;
  max-width: 100%;
  max-height: 100px;
  margin-left: auto;
  margin-right: auto;
  overflow-x: hidden;
  padding-left: 24px;
  padding-right: 24px;
  padding-top: 0;
  padding-bottom: 0;
  box-sizing: border-box;
}

body a {
  color: #f7f7f7;
  text-decoration: none;
  font-size: 24px;
  font-weight: bold;
  background-image: linear-gradient(90deg, #666 0%, #999 100%);
  background-size: 100px 100px;
  background-repeat: repeat;
  background-position: 0 0;
  -webkit-background-clip: border;
  background-clip: border;
  -webkit-box-shadow: none;
  box-shadow: none;
  -webkit-border-radius: 0;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  margin-left: auto;
  margin-right: auto;
  overflow-x: hidden;
  padding-left: 24px;
  padding-right: 24px;
  padding-top: 0;
  padding-bottom: 0;
  box-sizing: border-box;
}

body a:hover {
  background-color: #333;
  color: #f7f7f7;
  text-decoration: underline;
  -webkit-text-decoration-line-position: bottom;
  text-decoration-line-position: bottom;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  margin-left: auto;
  margin-right: auto;
  overflow-x: hidden;
  padding-left: 24px;
  padding-right: 24px;
  padding-top: 0;
  padding-bottom: 0;
  box-sizing: border-box;
}