html, body {
  margin: 0;
  padding: 0;
  background-color: #eee;
}

.social-networks-bar {
  position: absolute;
  top: 10px;
  right: 10px;
}

html {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

body {
  position: relative;
  width: 100%;
  height: 100%;
}

div.container, div.application {
  position: absolute;
  left: 20px;
  right: 20px;
  top: 20px;
  bottom: 20px;
}

.with-info-box {
  position: relative;
}

.with-info-box > .info-box {
  position: absolute;
  display: inline-block;
  font-size: 0.7em;
  opacity: 0.8;
  top: 5px;
  left: 5px;
  border: 1px solid #999;
  padding: 4px;
  background-color: #ddd;
  font-family: courier, monospace;
}

.with-info-box:hover > .info-box {
  opacity: 0.2;
}