body {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: #fff;
  font-family: Arial, sans-serif;
}
.logo {
  width: 80px;
  height: 80px;
  background-color: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  cursor: pointer;
}
.logo img {
  width: 40px;
  height: 40px;
}
.title {
  color: #047366;
  font-size: 24px;
  margin-bottom: 10px;
  cursor: pointer;
  font-weight: bold;
}
.subtitle {
  color: #25d366;
  font-size: 16px;
  cursor: pointer;
  opacity: 0.9;
}