* {
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

#container, .sections {
  height: 100%;
  width: 100%;
  position: relative;
}

.section {
  width: 100%;
  height: 100%;
  text-align: center;
  color: white;
  font-size: 40px;
  font-family: "open sans", Simsun, Tahoma;
  padding-top : 50px;
  position: relative;
}

.section-1 { background-color: #6600CC; }

.section-2 { background-color: #8E44AD; }

.section-3 { background-color: #000000; }

.section-4 { background-color: #CC0000; }

.horizontal {
  position: fixed;
  list-style: none;
  left: 50%;
  bottom: 15px;
}

.horizontal > li {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  margin: 0px 10px 0 0;
  float: left;
}

.horizontal > li.active {
  width: 14px;
  height: 14px;
  border: 2px solid #FFFE00;
  background: none;
  margin-top: -5px;
}

.vertical {
  position: fixed;
  list-style: none;
  right: 10px;
  top: 50%;
}

.vertical > li {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  margin: 0 0 10px 5px;
}

.vertical > li.active {
  width: 14px;
  height: 14px;
  border: 2px solid #FFFE00;
  background: none;
  margin-left: 0;
}