#gallery {
  padding-top: 40px;
}
@media screen and (min-width: 991px) {
  #gallery {
    padding: 60px 30px 0 30px;
  }
}
.gally{
  height: 25em;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #000;
  color: #fff;
  background: url("../imgs/homepage jpg images usps/uspheaderbg.jpg");
  background-size: cover;
}
.img-wrapper {
  position: relative;
  margin-top: 15px;
}
.img-wrapper img {
  width: 100%;
}

.img-overlay {
  background: rgba(0, 0, 0, 0.7);
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
}
.img-overlay i {
  color: #fff;
  font-size: 3em;
}

#overlay {
  background: rgba(0, 0, 0, 0.7);
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999999;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
#overlay img {
  margin: 0;
  width: 80%;
  height: auto;
  -o-object-fit: contain;
     object-fit: contain;
  padding: 5%;
}

@media screen and (min-width: 768px) {
  #overlay img {
    width: 60%;
  }
}
@media screen and (min-width: 1200px) {
  #overlay img {
    width: 50%;
  }
}

#nextButton {
  color: #fff;
  font-size: 2em;
  transition: opacity 0.8s;
}
#nextButton:hover {
  opacity: 0.7;
}
@media screen and (min-width: 768px) {
  #nextButton {
    font-size: 3em;
  }
}

#prevButton {
  color: #fff;
  font-size: 2em;
  transition: opacity 0.8s;
}
#prevButton:hover {
  opacity: 0.7;
}
@media screen and (min-width: 768px) {
  #prevButton {
    font-size: 3em;
  }
}

#exitButton {
  color: #fff;
  font-size: 2em;
  transition: opacity 0.8s;
  position: absolute;
  top: 15px;
  right: 15px;
}
#exitButton:hover {
  opacity: 0.7;
}
@media screen and (min-width: 768px) {
  #exitButton {
    font-size: 3em;
  }
}
@media screen and (max-width: 500px) {
  #overlay img {
    margin: 0;
    width: 65%;
  }

}