.section-grandeimage img {
  max-width: 100%;
  -webkit-box-shadow: 1px 1px 15px 0 rgba(0,0,0,0.4);
  -moz-box-shadow: 1px 1px 15px 0 rgba(0,0,0,0.4);
  -o-box-shadow: 1px 1px 15px 0 rgba(0,0,0,0.4);
  box-shadow: 1px 1px 15px 0 rgba(0,0,0,0.4);
}
.section-grandeimage a.boutPlein,
.section-grandeimage a.boutVide {
  margin-bottom: 20px;
}