body {
  font-family: Arial, sans-serif;
}

#questionnaire{
  margin:30px;
  text-align: center;
  justify-content: center;
  padding: 20px;
}

.register {
  margin: 5px;
  padding: 10px;
  cursor: pointer;
  background-color: #4CAF50;
  border: none;
  color: white;
  padding: 10px 10px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
  border-radius: 5px;
}

.register:hover {
  background-color: #45a049;
}

.navigator {
  margin: 5px;
  padding: 10px;
  cursor: pointer;
  background-color: #4CAF50;
  border: none;
  color: white;
  padding: 15px 90px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
  border-radius: 5px;
}

.navigator:hover {
  background-color: #45a049;
}

.align-center {
  margin: 1px;
}

.question0 {
  padding: 20px;
  justify-content: center;
  display: inline-block;
  flex-wrap: nowrap;
  transition: opacity 1 0.1s ease-in;
}

#question1 {
  max-width: 600px;
  margin: 0 auto;
  border: 2px solid #256fd0;
  border-radius: 5px;
  background-color: #fff;
}

#question1 span {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: .5em 0;
  background-color: #256fd0;
  color: #fff;
  font-weight: 600;
}

#question1 p {
  margin: 0;
  padding: 1em 1.5em;
  color: #333;
}

.spec_answer1_title{
  border-width: 5px;
  border-color: #6bb6ff;
  border-bottom-style: double;
  font-size: 1.3em;
  margin: 2.5em 0 1em;
  text-align: center;
}

.spce_answer1_rank{
  text-align: center;
}

#question2 {
  max-width: 600px;
  margin: 0 auto;
  border: 2px solid #256fd0;
  border-radius: 5px;
  background-color: #fff;
}

#question2 span {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: .5em 0;
  background-color: #256fd0;
  color: #fff;
  font-weight: 600;
}

#question2 p {
  margin: 0;
  padding: 1em 1.5em;
  color: #333;
}

#question3 {
  max-width: 600px;
  margin: 0 auto;
  border: 2px solid #256fd0;
  border-radius: 5px;
  background-color: #fff;
}

#question3 span {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: .5em 0;
  background-color: #256fd0;
  color: #fff;
  font-weight: 600;
}

#question3 p {
  margin: 0;
  padding: 1em 1.5em;
  color: #333;
}

.img-question{
  border: 2px solid lightgrey;
  border-radius: 15px;
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.5);
  transition: box-shadow 0.3s ease;
}

.img-question:hover{
  cursor: pointer;
  box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.7);
}

.question0 img {
  margin: 30px!important;
  width: auto;
  display: inline-block!important;
}
#question1 img{
  height: 180px;
  padding: 10px;
}
#question2 img{
  height: 160px;
  padding: 10px;
}
#question3 img{
  height: 100px;
  opacity: 0.5;
  padding: 0px;
}

.selected {
  border: 3px solid #FF7F50;
  border-radius: 15px;
  opacity: 1!important;
}

@media (max-width: 600px) {
  .question0 {
    padding: 0px;
  }
  #question1 p{
    padding:0;
  }
  #question2 p{
    padding:0;
  }
  #question3 p{
    padding:0;
  }
  .question0 img {
    margin: 20px;
    width: auto;
  }
  #question1 img{
    height: 195px;
    padding: 10px;
  }
  #question2 img{
    height: 165px;
    padding: 10px;
  }
  #question3 img{
    margin: 20px!important;
    height: 85px;
    opacity: 0.5;
    padding: 0px;
  }
}