*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  font-family: "Montserrat", sans-serif;
  padding: 20px;
  background-color: #f7f7f7;
}
.container{
  background-color: white;
  max-width: 600px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  border-radius: 5px;
  margin: 40px auto;
  padding: 20px;
}
h1{
  text-align: center;
  font-size: 35px;
  margin-bottom: 20px;
}
.form{
  display: flex;
  flex-direction: column;
  align-items: center;
}
label{
  font-weight: bold;
  margin-bottom: 10px;
}
input{
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 5px;
  width: 100%;
  max-width: 300px;
}
button{
  background-color: #007bff;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  margin-top: 10px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
button:hover{
  background-color: #045dbd;
}
#age-result{
  font-weight: bold;
  margin-top: 20px;
  font-size: 24px;
  margin-bottom: 20px;
}