* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  text-decoration: none;
}

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  background-color: #000000;
  color: #FFFFFF;
  -webkit-font-smoothing: antialiased;
}

.btn {
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  transition: background-color 0.3s ease, opacity 0.3s ease;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.9;
}