#logo_central {
  display: block;
  margin: 150px auto 10px auto;
  width: 60%;
  min-width: 300px;
  max-width: 600px;
}

h1 {
  text-align: center;
}

h2 {
  text-decoration: underline;
  text-decoration-color: #AC00BF;
  margin: 100px 0 30px 5%;
}

.buttons_CTA {
  display: flex;
  justify-content: center;
  margin: 50px 10px 0 10px;
}

#btn_productions {
  color: #FFF;
  background: #AC00BF;
  margin-right: 20px;
  padding: 10px 20px;
  font-size: 20px;
  border: solid 2px #AC00BF;
  border-radius: 5px;
  cursor: pointer;
}

#btn_devis {
  color: #000;
  background: none;
  margin-left: 20px;
  padding: 10px 20px;
  font-size: 20px;
  border: solid 2px #AC00BF;
  border-radius: 5px;
  cursor: pointer;
}

.expertiseUp, .expertiseDown {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin: 0 20px;
}


.expertise p {
  text-align: justify;
  margin: 5px 0 30px 0;
    line-height: 22px;
}

.expertise img {
  width: 100%;
  transition: all .3s;
  border-radius: 5px;
}

.expertise img:hover {
  box-shadow: 5px 5px 10px rgba(0,0,0,0.4);
  transition: all .3s;
}

.bandedemo
{
  display: flex;
  justify-content: center;
  margin: 10px;
}

iframe {
  width: 560px;
  height: 315px;
}

.lequipe {
  display: flex;
  flex-wrap: wrap;
  margin: 0 5%;
  justify-content: space-around;
}

.membre {
  width: 230px;
  display: flex;
  flex-direction: column;
  align-items: center
}

.membre img {
  width: 90%;
}

.membre h3 {
  margin-bottom: 0
}

.bg-purple {
    font-weight: bold;
    color: purple;
}

@media only screen and (max-width: 580px) {
  iframe{
    width: 360px;
    height: 202px;
  }
}

@media only screen and (min-width: 1200px) {
  iframe{
    width: 1000px;
    height: 562px;
  }
}

@media only screen and (min-width: 750px) {
    .expertise {
        width: 33%;
    }
}

@media only screen and (max-width: 749px) {
  h1 {
    font-size: 20px;
  }

  .buttons_CTA {
    justify-content: space-around;
  }

  #btn_productions {
    font-size: 15px;
    margin: 0;
    font-family: 'Lexend Deca', sans-serif
  }

  #btn_devis {
    font-size: 15px;
    margin: 0;
    font-family: 'Lexend Deca', sans-serif
  }
    .expertise {
        width: 400px;
    }
}