* {
  margin: 0;
  padding: 0px;
}

.parent {
  height: 100vh;
  width: 100vw;
  background-color:rgb(221, 221, 221);
  text-align: center;
}

h1 {
  font-weight: bolder;
  text-decoration: underline;
  font-size: 40px;
  font-style: italic;
  text-shadow: 5px 0px 2px gray;
}

#json_objet {
  height: 25%;
  width: 50%;
  font-size: 150%;
  box-shadow: 0px 0px 10px gray;
  border: 3px solid orange;
}

button {
  margin: 0 5px 0 0;
  height: 30px;
  width: 100px;
  font-size: larger;
  box-shadow: 5px 5px 5px black;
  border-radius: 10px;
  cursor: pointer;
}

.child1 {
  margin: 2% 0 0 0;
  height: 54%;
  width: 100%;
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 49%);
  grid-template-rows:  repeat(2, 49%);
  gap: 20px;
  justify-content: center;
}

.box {
  background-color:rgb(119, 240, 240);
  border: 2px solid black;
  box-shadow: 0 0 15px gray;
  font-size: 130%;
  box-shadow: 5px 5px 5px black;
  border-radius: 10px;
}