.padding :hover {
  padding-left: 0;
  padding-right: 0;
  opacity: 50%;
}

header .container-fluid {
  background-color: black;
}

.grid-container {
  display: grid;
  grid-template-columns: auto auto auto auto;
}

body {
  margin: 25px;
}

.form-group {
  color: white;
  font-size: 10px;
}

#instagram {
  height: 50px;
  width: 50px;
}

body {
  background-color: #fff;
}

/*bouton Envoyer*/
button:hover {
  color: white;
  oppacity: 0.5;
  background-color: #DEDFE0;
  border-color: #DEDFE0;
}

/*galerie*/
div.gallery {
  border: 1px solid #ccc;
}

div.gallery:hover {
  border: 1px solid #777;
}

div.gallery img {
  width: 100%;
  height: auto;
  float: none;
}

div.desc {
  padding: 15px;
  text-align: center;
}

* {
  box-sizing: border-box;
}

.responsive {
  padding: 0 6px;
  float: left;
  width: 24.99999%;
}

@media only screen and (max-width: 700px) {
  .responsive {
    width: 49.99999%;
    margin: 6px 0;
  }
}

@media only screen and (max-width: 500px) {
  .responsive {
    width: 100%;
  }
}

.text {
  font-size: 31px;
}

#carouselExampleIndicators {
  margin-left: auto;
  margin-right: auto;
}

#logo {
  padding-right: auto;
}

footer {
  background-color: #f8f9fa;
}

.nav-item {
  font-size: 20px;
}

#photo {
  padding-left: 150px;
  padding-right: 150px;
}

Lsne-CiE4a-2020 prenom.nom --