body {
  background-color: lightyellow;
}

h1 {
  text-align: center;
}

button {
 font-size: 24px; 
 background-color: lightgreen;
}

.container {
 width: 500px;
 margin: auto;
 border: thick solid black;
}

.question {
 border: thick solid orange;
 margin: 10px auto;
 padding: 10px;
 
 width: 75%;
  
}