body {
  background-image: url(/static/img/wallpaper.png);
  font-family: Verdana, Arial, Helvetica, sans-serif;
  font-size: 12pt;
  line-height: 1.5em;
  background-position: center top;
  margin: 0;
}

#logo {
    height: 9em;
}

#content {
    background-color: #FFF;
    max-width: 37em;
    margin-left: auto;
    margin-right: auto;
    padding: 2em;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 0.7em 1em;
    margin: 0.5em 0;
    border: none;
    cursor: pointer;
    font-size: 120%;
}

button:hover {
    opacity: 0.8;
}

input[type=text], input[type=password] {
    width: 100%;
    padding: 0.8em 1em;
    margin: 0.5em 0;
    display: inline-block;
    border: 1px solid #ccc;
}