* {
  box-sizing: border-box;
}

html {
  font-family: sans-serif;
}

body {
margin: 0;

}

article {
  width: 210mm;
  height: 297mm;
  margin: 20px auto;
  position: relative;
  background-image: url(top-image.png), url(bottom-image.png), linear-gradient(180deg,rgba(204,204,204,0.5), rgba(255,255,255,0) 20%, rgba(255,255,255,0) 80%, rgba(204,204,204,0.5));
background-repeat: no-repeat;
background-position: top, bottom;
border-top: 1mm solid rgb(255, 0, 0);
border-bottom: 1mm solid rgb(255, 0, 0);
border-left: 0.1mm solid rgba(204,204,204);
border-right: 0.1mm solid rgba(204,204,204);
}

address {
  position: absolute;
  bottom: 8mm;
  right: 20mm;
}

h1 {
  position: absolute;
  top: 12mm;
  left: 20mm;
  width: 128px;
  height: 128px;
  font-size: 20px;
  letter-spacing: 1px;
  text-align: center;
  padding: 44px 0;
  color: white;
  text-shadow: 1px 1px 1px black;
  background-image: url(logo.png);
  filter: drop-shadow(2px 3px 1px black);
}

/* Your CSS below here */