body {
  background-color: black; /* Black background */
  color: white;
  margin: 0;
  font-family: sans-serif;
  display: flex; /* Center content vertically & horizontally */
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh; /* Fill the viewport height */
}

.header {
  position: relative;
}
.hamburger {
  position: absolute;
  top: 10px;
  right: 10px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background-color: grey;
  transition: 0.314s ease all; 
}

.ip-address, .ua-info {
  font-size: 36px; /* Large font size */
  margin: 10px 0;
  text-align: center;
}