@import url("https://fonts.googleapis.com/css?family=Lato");
body {
  font-family: "Lato", sans-serif;
  background: #ffffff;
}
body h1 {
  color: #000;
  text-align: center;
}
.imagemain{
  margin: 10%;
  margin-top: 2%;
  margin-bottom: 2%;
  width:80%;
}

ul#imageGallery {
  float: left;
  width:33%;
  text-align: center;
}
ul#imageGallery li {
  float: left;
  display: inline-block;
  width: 94%;
  padding: 2%;
  background: ghostwhite;
  margin: 1%;
}
ul#imageGallery:hover li{
  background: #8ad459;
  -webkit-transition: background-color 0.5s ease-out;
 -moz-transition: background-color 0.5s ease-out;
 -o-transition: background-color 0.5s ease-out;
 transition: background-color 0.5s ease-out;
  opacity: 0.8;
}
ul#imageGallery li a {
  text-decoration: none;
}
ul#imageGallery li a img {
  width: 100%;
  float: left;
}

#overlay {
  display: none;
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.9);
  text-align: center;
  padding: 20px;
  box-sizing: border-box;
}
#overlay .holder {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}
#overlay .holder img {
  width: 100%;
  max-width: 600px;
  cursor: pointer;
  box-sizing: border-box;
  display: block;
}
#overlay .holder p {
  color: #ffffff;
  margin: 0;
  background-color: rgba(0, 0, 0, 0.4);
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  box-sizing: border-box;
  padding: 10px;
}
#overlay .holder .nav {
  max-width: 600px;
  margin: 0 auto;
  font-size: 14px;
}
#overlay .holder .nav a {
  color: white;
  opacity: 0.3;
  -webkit-user-select: none;
  cursor: pointer;
}
#overlay .holder .nav a:hover {
  opacity: 1;
}
#overlay .holder .nav #next, #overlay .holder .nav #prev {
  position: absolute;
  top: 0;
  bottom: 0;
  padding: 10px;
  width: 50%;
  box-sizing: border-box;
  font-size: 40px;
}
#overlay .holder .nav #next span, #overlay .holder .nav #prev span {
  top: 50%;
  -webkit-transform: translateY(50%);
          transform: translateY(50%);
  position: relative;
}
#overlay .holder .nav #next {
  right: 0;
  text-align: right;
}
#overlay .holder .nav #prev {
  left: 0;
  text-align: left;
}
#overlay .holder .nav #close {
  right: 10px;
  top: 0;
  font-size: 30px;
  opacity: 0.6;
  z-index: 1000000;
  position: absolute;
  text-align: left;
  box-sizing: border-box;
}
#overlay .holder .nav #close:hover {
  opacity: 1;
}
@media screen and (max-width: 412px) {
  ul#imageGallery {
    float: left;
    width:100%;
    text-align: center;
  }
}