.quizContainer {
  position: relative;
  width:900px;
  height:540px;
  border: 1px solid black;
  margin:auto;
}

span.title {
  display: block;
  background-color:black;
  color: white;
  font-size: 12px;
  font-weight:bold;
  line-height:16px;
  padding-left: 10px;
  border:none;
  text-align: center;
}

.quizContainer > span.title {
  text-align: left;
  font-size: 26px;
   line-height:30px;
   border-bottom:5px solid #75C5F0;
}

.questionWindow {
  position:absolute;
  border: 1px solid black;
  width: 540px;
  min-height: 170px;
  display: none;
  top:50%;
  left:50%;
  margin-top: -60px;
  margin-left:-270px;
  z-index: 10;
  background-color: #ffffff;
  border:3px solid black;
  padding-bottom: 20px;
}

.questionWindow span.question {
  display: block;
  text-align: center;
  color: black;
  font-size: 16px;
   font-weight:bold;
  line-height:16px;
  border:none;
  padding-top:34px;
  padding-bottom:18px;
}

.questionWindow .buttons {
  display: block;
  text-align: center;
  max-height:97px;
  overflow: hidden;
}

.quizContainer input[type="button"]{
  margin: 0px 5px 5px 5px;
  background-color:#75C5F0;
  color: white;
  line-height: 24px;
  font-size: 18px;
  max-width: 520px;
  cursor: pointer;
}

.answerWindow {
  position:absolute;
  border: 1px solid black;
  height: 172px;
  display: none;
}

 .quizContainer .body{
  margin:auto;
  margin-top: 5%;
  width: 90%;
  text-align: center;
}

.active {
  z-index: 10;
  top:50%;
  left:50%;
  margin-top: -60px;
  margin-left:-270px;
  background-color: #ffffff;
  width: 542px;
}

.inactive {
  z-index: 1;
  background-color: #eeeeee;
  top:15%;
  left:50%;
  width:400px;
  height:125px;
  margin-left:-200px;

}

.inactive span.title {
  display: block;
  text-align: center;
   background-color:#b7b7b7;
   color: white;
   font-size: 12px;
   line-height:16px;
   border:none;
}


.correct {
  color: green;
}

.incorrect {
  color: red;
}