body {
  background-color: #F2F3F7 !important;
}
.container-f {
  padding: 0 !important;
}
.container-f .logo {
  display: flex;
  margin: auto;
  height: 10rem;
}
.container-f .logo .logo-img {
  width: 10rem;
  margin: auto;
}
.container-f .presentation {
  height: 50vh;
  margin: auto;
}
.container-f .buttons {
  display: grid;
  margin: auto;
}