.main{
  /*background-color: blue;*/
  height: inherit;
}
#m-contenu{
  background-color:#00f3a7;
}
main img{
  height: 100%;
  width: 100%;
}

.flip-c {
  background-color: transparent;
    width:80%;
  height: 80vh;
}
.flip-c-inner {
  display: flex;
  align-items: center;
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
  box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}
.flip-c:hover .flip-c-inner {
  transform: rotateY(180deg);
}
.flip-c-front, .flip-c-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
}
.flip-c-front {
  background-color: #00f3a7;
  color: black;
}
.flip-c-back {
  margin:1em;
  overflow-y: scroll;
  background-color: #011547;
  color: #00f3a7;
  transform: rotateY(180deg);
    text-align:left;
}
.flip-c-back .navbar-brand{
  color: #00f3a7;
}
.