section.accueil {
  height: 500px;
  border-bottom: 5px solid #CC3333;
  border-top: 1px solid #CC3333;
  background-attachment: fixed !important;
  background-color:#000000; 
}
section.accueil .container{
  padding: 200px 0 0 0;
}
section.accueil .lien{
  background-color: rgba(0,0,0, 0.8);
  margin: 0 28%;
  text-align: center;
  padding: 10px 0;
  color: #ffffff;
  border: 1px solid #ffffff;
  text-transform: uppercase;
  font-size: 18px;
}
section.accueil .lien a{
  color: #ffffff;
  display: block;
}
section.accueil .lien a:hover{
  color: #CC3333;
}
@media (max-width: 576px){
  section.accueil {
    height: 350px;
    background-attachment: scroll !important;
  }
  section.accueil .container{
    padding: 130px 0 0 0;
  }
  section.accueil .lien{
    margin: 0 15px;
  }

}