css
body {
  background-color: #f7f7f7;
  font-family: "HelveticaNeue", Helvetica, Arial, sans-serif;
  font-size: 14px;
  font-style: normal;
  font-weight: normal;
  margin: 0px;
  padding: 0px;
  color: #000;
  text-align: justify;
  height: 100%;
  width: 100%;
  border: 4px solid #000;
}

h1, h2, h3, h4, h5, h6, h7 {
  font-family: "HelveticaNeue", Helvetica, Arial, sans-serif;
  font-weight: bold;
  color: #ff0000;
  text-shadow: 0px 0px 5px #000;
  border-top: 4px solid #000;
  margin-top: -10px;
  padding: 5px 10px 5px 10px;
  background-image: linear-gradient(to bottom, #fff 0, #f7f7f7 100%);
}

h1 {
  font-size: 24px;
  border-top: 4px solid #ff0000;
}

h2 {
  font-size: 18px;
  background-color: #f7f7f7;
}

h3 {
  font-size: 15px;
  border-top: 2px solid #000;
}

p {
  font-size: 12px;
  line-height: 18px;
  margin-top: 10px;
  padding: 0 10px;
  border-bottom: 2px solid #000;
  text-align: justify;
}

a {
  color: #00f;
  text-decoration: none;
  text-align: justify;
}

a:hover {
  background-color: #000;
  color: #ff0000;
  border: 2px solid #000;
  padding: 2px 10px;
  text-decoration: none;
}

a:visited {
  color: #000;
  text-decoration: none;
  text-align: justify;
  text-decoration: none;
}

a:active {
  color: #000;
  text-decoration: none;
  text-align: justify;
  text-decoration: none;
}

span {
  font-weight: bold;
  font-size: 16px;
  color: #ff0000;
  text-shadow: 0px 0px 5px #000;
  border: 2px solid #000;
  padding: 2px 5px 2px 5px;
  background-image: linear-gradient(to bottom, #fff 0, #f7f7f7 100%);
}