ul {
 list-style-type: none;
 margin: 0;
 padding: 0;
 overflow: hidden;
 background-color:#C8F7E4;
}
li {
 float: left;
}
li a {
 display: block;
 color: black;
 text-align: center;
 padding: 5px 16px;
 text-decoration: none;
}
/* Change the link color to #111 (black) on hover */
li a:hover {
 background-color: white;
}
div.container {
 width: 80%;
 border: 1px solid black;
 margin: 0 auto;
}
header, footer {
 padding: 1em;
 color: #D4F5E7;
 background-color: #6A8D7F;
 clear: left;
 text-align: center;
}
nav {
 margin: 0;
 text-align:center;
}
nav ul {
 list-style-type: none;
 padding: 0;
}
li {
display:inline;
margin:1em;
}

nav ul a {
 text-decoration: none;
}
article {

 border-top: 1px solid #C8F7E4;
 padding: 1em;
 overflow: hidden;

}



div.gallery {
  margin: 5px;
  border: 1px solid #ccc;
  float: left;
  width: 180px;
}

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

div.gallery img {
  width: 100%;
  height: auto;
}

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