body {
  background: #f8f9fa;
  margin: 0;
}
.navbar-nav .nav-link{
    margin-left: 10px;
    transition: 0.3s;
}

.navbar-nav .nav-link:hover{
    color: #ffd700 !important;
}

/* FULL SCREEN CENTER */
.quiz-wrapper {
  height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* MAIN BOX */
.quiz-card {
  width: 700px;
  background: lightgrey;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0,0,0,0.1);


}

/* OPTIONS */
.option {
  display: block;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

.option:hover {
  background: #0d6efd;
  color: white;
}
#hide{
  background-image: url(/images/mediamodifier-nCk22aqZjlM-unsplash.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  border-radius: 20px;
  box-shadow: 7px 7px 7px lightgrey;
}
#back{
  background-image: url(../images/images\ \(3\).jpg);
    background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  box-shadow: 20px 20px 20px gray;
}