body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 800px;
  margin: auto;
  background: #fff;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h1 {
  text-align: center;
  color: #0A66C2;
}
input[type="text"] {
  width: 100%;
  padding: 10px;
  margin: 10px 0 20px;
}
.question {
  margin-bottom: 20px;
}
.question p {
  font-weight: bold;
}
button {
  padding: 10px 20px;
  background: #0A66C2;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
#result {
  margin-top: 20px;
  padding: 10px;
  background: #e6f0ff;
  border-left: 4px solid #0A66C2;
}
@media (max-width: 600px) {
  .container {
    padding: 15px;
  }
  button {
    width: 100%;
    margin-top: 10px;
  }
}