:root {
  --text: #000000;
  --link: #3D377F;
  --background: #FFF3CA;
  --box: #ECD584;
  --button: #6B65A4;
  --button-text: #FFFFFF;
  --button-hover: #B0ADD2;
}

* { margin:0; padding:0; }

body {
  font-family: sans-serif;
  background: var(--background);
  color: var(--text);
}

button, #image-list-ol li {
  cursor: pointer;
}

header {
  text-align: center;
  font-size:2.5em;
  font-weight:bold;
}

header ul {
  list-style-type: none;
  padding: 0;
}

header ul li {
  display: inline-block;
}

a {
  color: var(--link);
}

img {
	max-width: 100%;
	height: auto;
	width: auto\9; /* ie8 */
}

hr {
  border: 0;
  height: 1px;
  background: var(--button);
}

main {
  max-width: 700px; /* adjust depending on image size */
  margin: auto;
  background: var(--box);
  padding: 15px;
}

h2 {
  margin-top: 5px;
}

.image {
  text-align: center;
}

.gallery {
    columns:3;
}

.galleryitem {
    margin:5px;
    text-align:center;
}

.controls {
  width: 100%;
  margin-top: 16px;
  text-align:center;
}

.button {
  background: var(--button);
  border: 0;
  padding: 10px;
  border-radius: 5px;
  color: var(--button-text);
  text-decoration:none;
  margin:.2em;
  display:inline-block;
}

.button:hover {
  background: var(--button-hover);
}

.pagination {
  text-align:center;
  margin:.25em;
}

.pagination ul {
  list-style:none;  
  margin:0;
}

.pagination li {
  display:inline-block;
}

.pagination li a {
  display:inline-block;
  padding:5px;
  margin:0.1em;
  background:var(--button);
  color: var(--button-text);
  border-radius:2px;
  text-decoration:none;
}

.pagination li.active {
  background:none;
  padding:5px;
  margin:0.1em;
  display:inline-block;
}

@media screen and (max-width:600px) {
    .gallery {
        columns:1;
    }
}