body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #e6e4d9;
  background-image: url('images/pattern.png');
}

/* header */
#mainheader {
  background-color: #a593c2;
}

/* navigation */
nav ul {
  list-style-type: none;
  margin: 0 auto;
  padding: 0;
  width: 1000px;
}

nav ul::after {
  content: "";
  display: table;
  clear: both;
}

nav li {
  float: left;
}

nav li a {
  display: block;
  color: white;
  text-align: center;
  padding: 16px;
  text-decoration: none;
  font-weight: bold;
}

nav li a:hover {
  text-decoration: underline;
}

/* layout */
#container {
  width: 1000px;
  margin: 0 auto;
}

#leftmenu {
  float: left;
  width: 30%;
  margin-bottom: 20px;
}

#leftmenu img {
  max-width: 100%;
}

#main {
  float: right;
  width: 70%;
  margin-bottom: 20px;
}

/* page headings (replaces inline styles) */
.page-title {
  font-size: 35px;
  color: #a593c2;
}

/* utility */
.centered {
  text-align: center;
}

.center-text {
  text-align: center;
}

/* form */
.searchbox {
  padding: 5px;
  margin: 10px;
  width: 200px;
}

/* tables */
table {
  border-collapse: collapse;
  width: 100%;
  background-color: #ffffff;
}

th,
td {
  border: 1px solid black;
  padding: 5px;
  vertical-align: top;
}

/* iframe / media */
iframe {
  border: none;
  max-width: 100%;
}

/* footer */
footer {
  clear: both;
  margin-top: 20px;
}

/* accessibility helpers */
.sr-only {
  position: absolute;
  left: -9999px;
}