body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: black;
  color: white;
  overflow: hidden;
}
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
}
main {
  text-align: center;
  padding-top: 15vh;
}
.logo {
  width: 300px;
  margin-bottom: 10px;
}
input[type="email"] {
  padding: 10px;
  border-radius: 6px;
  border: none;
  margin-right: 10px;
  font-size: 1rem;
}
button {
  padding: 10px 20px;
  border-radius: 6px;
  border: none;
  background-color: #007bff;
  color: white;
  font-size: 1rem;
  cursor: pointer;
}