h1{
  text-align: center;
  padding-top: 30px;
  padding-bottom: 30px;
  font-weight: bold;
  background: rgb(235, 148, 35);
  margin: 0;
}

body{
  background: #efdec1;
  font-size: 14px;
  font-family: Verdana,sans-serif;
}

div{
  font-weight: bold;
  padding-top: 30px;
  padding-bottom: 30px;
  padding-left: 37%;
  line-height: 10px;
}

.container{
  width: 400px;
  margin: 8px auto;
  background: white;
  border-radius: 4px;
  padding: 16px;
  position: relative;
}

#question{
  margin-bottom: 16px;
  font-weight: bold;
}

#choices{
  list-style: none;
  padding: 0;
  margin-bottom: 16px;
}

#choices > li{
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 10px;
  margin-bottom: 10px;
  cursor: pointer;
}

#choices > li:hover{
  background: #f8f8f8;
}

#choices > li.correct{
  background: #d4edda;
  border-color: #c3e6cb;
  color: #155724;
  font-weight: bold;
}

#choices> li.correct::after{
  content: ' ...correct!';
}

#choices > li.wrong{
  background: #f8d8da;
  border-color: #f5c6cb;
  color: #721c24;
  font-weight: bold;
}

#choices> li.wrong::after{
  content: ' ...wrong!';
}

#btn,#result > a{
  background: #3498db;
  padding: 8px;
  border-radius: 4px;
  cursor: pointer;
  text-align:center;
  color:#fff;
  box-shadow:0 4px 0 #2880b9;
}

#btn.disabled{
  background: #ccc;
  box-shadow:0 4px 0 #bbb;
  opacity: 0.7;
}

#result{
  position: absolute;
  width: 300px;
  background: #fff;
  padding: 30px;
  box-shadow:  0 4px 8px rgba(0,0,0,0.2);
  top: 50px;
  left: 0;
  right: 0;
  margin: 0 auto;
  border-radius: 4px;
  text-align: center;
  transition: 0.4s;
}

#result.hidden{
  transform: translateY(-600px);
}

#result > p{
  font-size: 24px;
}

#result > a{
  display: block;
  text-decoration: none;
}