style.css

/* * {
  font-family: Baskerville;
} */

h1 {
  margin: 0;
  padding:0;
  font-family: Baskerville;
  box-sizing: border-box;
  text-align: center;
  font-size: 50px;
  color: #ed7966;
}
body{
  background: #fae5df;
}
.app{
  background: #fff;
  width: 90%;
  max-width: 450px;
  margin: 25px auto 0;
  border-radius: 10px;
  padding: 30px;
  color: #ed7966;
}
.app h2{
  font-family: Georgia;
  font-size: 23px;
  color: #3C3F44;
  font-weight: 400;
  border-bottom: 1px dotted #3C3F44;
  padding-bottom: 30px;
  text-align: center;
}
.quiz{
  font-family: Georgia;
  font-size: 15px;
  padding: 10px 0;
}
.quiz h2{
/*   font-size: 1px; */
}
.btn {
  font-family: Baskerville;
  font-size: 15px;
  background: #fff;
  color: #3C3F44;
  font-weight: 500;
  width: 45%;
  border: 1px solid #3C3F44;
  padding: 10px;
  margin: 10px 0;
  margin-right: 10px;
  margin-left: 10px;
  text-align: center;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
}
.btn:hover:not([disabled]){
  background: #f5cac2;
/*   background: #222; */
  color: #fff;
}
/* .btn:disabled{
  cursor: no-drop;
}
 */
#next-btn{
  background: #ed7966;
  color: #fff;
  font-weight: 500;
  width: 150px;
  border: 0;
  padding: 10px;
  margin: 20px auto 0;
  border-radius: 4px;
  cursor: pointer;
  display: none;
}

.correct{
  background: #cded9a;
  color: #66764d;
}

.incorrect{
  background: #ef6e6e;
  color: #8d2d2d;
}
.app h4 {
  text-align: right;
}
/* 
.app .time_line{
    position: absolute;
    bottom: 0px;
    left: 0px;
    height: 3px;
    background: #007bff;
} */