.gallery {
  display: block;
  margin: auto;
}

.container-photo {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  flex: auto;
  margin-top: 2rem;
  margin-bottom: 4rem;
}

.container-photo div {
  margin: 0.1rem 0.1rem;
  width: 400px;
}

.photos-1 {
  background: url(../img/F09A2683.jpg) center center/cover;
}
.photos-2 {
  background: url(../img/F09A2831.jpg) center center/cover;
}
.photos-3 {
  background: url(../img/F09A2770.jpg) center center/cover;
}
.photos-4 {
  background: url(../img/F09A4753.jpg) center center/cover;
}
.photos-5 {
  background: url(../img/F09A2936.jpg) center center/cover;
}
.photos-6 {
  background: url(../img/IMG_2359.jpg) center center/cover;
}
.photos-7 {
  background: url(../img/IMG_2297.jpg) center center/cover;
}
.photos-8 {
  background: url(../img/F09A5081.jpg) center center/cover;
}
.photos-9 {
  background: url(../img/F09A5204.jpg) center center/cover;
}
.photos-10 {
  background: url(../img/IMG_2766.jpg) center center/cover;
}