* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  font-family: Arial, Helvetica, sans-serif;
  background: #000; 
  color: #fff;     
}

h4 {
  font-size: 1.2rem;
  font-weight: 400;
  margin: 6px 0;
  opacity: 0.9;
}

h4:hover {
  color: #38bdf8;
  transition: color 0.3s ease;
}