.BTS .presentation .pro {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.portrait {
  width: 300px;
  position: absolute;
  left: 10px;
  padding-top: 0.5em;
  border: solid 5px;
  margin: 1em;
}

.presentationBTS,.missions, .apropos, .missionpro, .presentationperso, .aptitude {
  background:#FFF7E8;
  bottom:0;
  width:100%;
  padding-top:20px;
  padding-bottom: 20px;
  height: 100%; 
  text-align: center;
  font-size: 1.3em;
  border: solid 2px;
  margin-top: 3em;
  width: 70%;
  margin-left: 15%;
  margin-bottom: 3em;
  border-radius: 1em;
}

.presentationperso {
  margin-left: 20%;
}

.aptitude {
  margin-right: 5%;
}