body {
    background-color: black;
    color: white; /* Set the default text color to white for contrast */
}

div {
  margin-top: 90px;
  padding: 40px;
  font-size: 95px;
  font-family: 'Monoton', cursive;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 0 0 80px red, 0 0 30px FireBrick, 0 0 6px DarkRed;
  color: red;
}

div p {
  margin: 5px;
}

#error-hover:hover {
  text-shadow: 0 0 200px #ffffff, 0 0 80px #000000, 0 0 6px #0000ff;
}

#code-hover:hover {
  text-shadow: 0 0 100px red, 0 0 40px FireBrick, 0 0 8px DarkRed;
}

#error {
  color: #fff;
  text-shadow: 0 0 80px #ffffff, 0 0 30px #000000, 0 0 6px #0000ff;
}

#error span {
  animation: upper 6s linear infinite;
}

#code span:nth-of-type(2) {
  animation: lower 9s linear infinite;
}

#code span:nth-of-type(1) {
  text-shadow: none;
  opacity: .4;
}

@keyframes upper {
  0%, 19.999%, 22.6%, 62.999%, 64.999%, 74%, 100% {
    opacity: 0;
    text-shadow: 0 0 80px #ffffff, 0 0 30px #000000, 0 0 6px #0000ff;
  }
  20%, 21.999%, 63%, 63.999%, 65%, 66.999% {
    opacity: 0.4;
    text-shadow: none;
  }
}

@keyframes lower {
  0%, 12%, 18.999%, 23%, 31.999%, 37%, 44.999%, 46%, 49.999%, 
  51%, 58.999%, 61%, 68.999%, 71%, 85.999%, 96%, 100% {
    opacity: 0.99;
    text-shadow: 0 0 80px red, 0 0 30px FireBrick, 0 0 6px DarkRed;
  }
  19%, 22.99%, 32%, 36.999%, 45%, 45.999%, 50%, 
  59.99%, 59%, 6.999%, 69%, 70.999%, 86%, 95.999% {
    opacity: 0.4;
    text-shadow: none;
  }
}
.button {
  display: inline-block;
  margin-top: 30px;
  padding: 12px 28px;
  background-color: red;
  color: white;
  font-size: 22px;
  font-weight: bold;
  text-decoration: none;
  border-radius: 6px;
  box-shadow: 0 0 20px red, 0 0 40px FireBrick, 0 0 6px DarkRed;
  transition: all 0.3s ease;
  font-family: Arial, sans-serif;
}

.button:hover {
  background-color: #fff;
  color: red;
  box-shadow: 0 0 30px #ffffff, 0 0 60px #ff0000, 0 0 10px #ff3333;
}