* {
  box-sizing: border-box;
}

body {
  font-family: "Comic Sans MS", Arial, sans-serif;
  background: linear-gradient(#cceeff, #ffffff);
  margin: 0;
  padding: 0;
}

.container {
  max-width: 500px;
  margin: auto;
  padding: 20px;
  text-align: center;
}

h1 {
  color: #ff6600;
}

.settings label {
  display: block;
  margin: 15px 0;
  font-size: 18px;
}

select,
input {
  font-size: 18px;
  padding: 8px;
  width: 100%;
  max-width: 200px;
  margin-top: 5px;
}

button {
  background-color: #4caf50;
  color: white;
  font-size: 20px;
  padding: 12px 20px;
  border: none;
  border-radius: 12px;
  margin-top: 15px;
  width: 100%;
}

button:hover {
  background-color: #358301;
}

.inactive {
  background-color: #bbbbbb;
  color: white;
  font-size: 20px;
  padding: 12px 20px;
  border: none;
  border-radius: 12px;
  margin-top: 15px;
  width: 100%;
}

.inactive:hover {
  background-color: #bbbbbb;
  color: white;
  font-size: 20px;
  padding: 12px 20px;
  border: none;
  border-radius: 12px;
  margin-top: 15px;
  width: 100%;
}

.question {
  font-size: 36px;
  margin: 20px 0;
}

.timer {
  font-size: 22px;
  color: #d9534f;
  margin-top: 10px;
}

.message {
  font-size: 22px;
  min-height: 30px;
  margin-top: 15px;
}

.hidden {
  display: none;
}

.back-btn {
  margin-bottom: 15px;
}