html {
  font-size: 1rem;
  font-family: serif;
  line-height: 1.4em;
}
body {
  width: 100vw;
  height: 100vh;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background-color: #f8f8f8;
}
.page {
  position: absolute;
  perspective: 700px;
  width: 100vw;
  height: 100vh;
}
.carre {
  background-color: #fff;
  padding: 2em;
  box-sizing: border-box;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: auto;
  flex-direction: column;
}
.carre :first-child::first-letter {
  font-size: 5em;
  float: left;
  margin-right: 0.2em;
}
.carre p {
  margin: 0 0 1em;
}
.centre {
  position: absolute;
  left: 50vw;
  top: 50vh;
  width: 3px;
  height: 3px;
  background-color: black;
  transform: translate(-50%, -50%);
}
.data {
  position: absolute;
  bottom: 0.5em;
  left: 0.5em;
  border: thin solid black;
  padding: 0.2em;
}