body {
  font-family: arial;
}

#container {
  padding: 40px;
  margin-top: 50px;
  margin-left: auto;
  margin-right: auto;
  background: white;
  opacity: 0.75;
  width: 1000px;
}

#header {
  padding-bottom: 30px;
  font-size: 40px;
}

#navbar {
  float: left;
  margin-top: 16px;
}

#content {
  float: left;
  max-width: 700px;
  padding-left: 20px;
}

#footer {
  clear: both;
  font-size: 15px;
  padding-top: 30px;
}