body {
  background-color: #ebebeb;
}

.intro {
  height: 100vh;
}

.qui_suis_je {
  position: relative;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #ebebeb;
  z-index: 5;
}

.my_works {
  position: relative;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #ebebeb;
  z-index: 5;
}