aaps1.css

*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --hue-neutral: 23;
  --hue-wrong: 0;
  --hue-correct: 145;
}
h1{
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;;
  color:green ;
  text-shadow: 2px 2px black;
  text-decoration : none;
  text-align: center;
  text-decoration:underline;
}
h3{
  padding-bottom: 20px;
text-align: center;
color: black;
font-size: 20px;
}
body {
  --hue: var(--hue-neutral);
  font-family:inherit;
   padding:0;
  margin: 0;
  display: flex;
  width: 100vw;
  height: 100vw;
  justify-content: center;
  align-items: center;

  background-image: url(https://s3.envato.com/files/144797738/sightsignal-mysteryquestionmarkquizloop1IMG.jpg);


}

body.correct {
  --hue: var(--hue-correct);
}

body.wrong {
  --hue: var(--hue-wrong);
}

.container {

 font-size: 20px;
  width: 50%;
  max-width: 90%;
 background-color:white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0  7px black;
  background-image:url(https://p7.hiclipart.com/preview/378/613/232/question-mark-computer-icons-desktop-wallpaper-clip-art-question-mark.jpg)
}

.btn-grid {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 10px;
  margin: 20px 0;
}

.btn {
  --hue: var(--hue-neutral);
  border: 1px solid hsl(var(--hue), 100%, 30%);
  background-color: black;
  border-radius: 20px;
  padding: 12px 24px;
  color: white;
  outline-color: black;
t
}

.btn:hover {
  border-color: black;
  opacity: 0.5;
  background-color: white;
  color: black;
}

.btn.correct {
  --hue: var(--hue-correct);
  color:green;
}

.fa-certificate {
  color: orange;
  border: black;
}

.abc {
  text-align: center;
}

.btn.wrong {
  --hue: var(--hue-wrong);
  color: red;
}

.start-btn, .next-btn {
  font-size: 1.5rem;
  font-weight: bold;
  padding: 10px 20px;
}

.controls {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hide {
  display: none;
}

#question {
  text-decoration: none;
}