html,
body {
  margin: 0;
  padding: 0;
}

body {
  margin: 0px;
  padding: 0px;
  font-size: 1.3rem;
  background-color: floralwhite;
  margin-top: 0px;
  padding-top: 0px;
}

header {
  margin: 0px;
  background-color: darkgreen;
  color: white;
  text-align: center;
  border-bottom: 2px solid #000;
  margin-top: 0px;
  padding: 20px;
}

main {
  padding: 20px 50px;
}

h1 {
  color: white;
}

ul {
  font-size: 1.5rem;
}

ul li {
  margin-bottom: 15px;
}

strong {
  font-weight: 900;
  color: darkorange;
}

span {
  background-color: black;
  color: white;
  padding: 0px 5px;
}

footer {
  background-color: darkgray;
  color: #fff;
  padding: 10px 20px;
}

.aligner-au-centre {
  text-align: center;
}

.bigger-text {
  font-size: 2rem;
}