form{
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

h1.truc {
  background-image: url(https://media1.tenor.com/m/jqS9Bb71T6YAAAAC/random.gif);
  background-size: cover;
  background-position: center;
  width: 10%;
  aspect-ratio: 1 / 1;
  padding: 2rem;
}
h1.truc span { display: none; }

.radio-hidden {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.radio-style {
  display: inline-block;
  padding: 10px 20px;
  border: 2px solid #ccc;
  border-radius: 10px;
  cursor: pointer;
  background-image: url("icon.png");
  background-size: cover;
}
.radio-hidden:checked + .radio-style {
  border: 2px solid #4CAF50;
  box-shadow: 0 0 10px #4CAF50;
  transform: scale(1.01);
}
.radio-hidden:focus + .radio-style {
  outline: 3px solid blue;
  outline-offset: 4px;
}