html,
body {
  font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande", "Lucida Sans", Arial, sans-serif;
}

.wrapper {
  padding: 0 20px;
  text-align: center;

  max-width: 600px;
}

.logo {
  max-width: 600px;
  position: relative;
  text-align: center;
}
.logo span {
  display: inline-block;
  vertical-align: top;
  padding-top: 10px;
}

table {
  width: 100%;
}

.error {
  color: red;
  font-weight: bold;
}

#code {
  font-size: 120%;
  border: 1px solid gray;
  border-radius: 3px;
  padding: 4px 8px;
}

#code,
#search-btn {
  height: 40px;
}

#read_code {
  margin-bottom: 1em;
  font-style: italic;
}
.hidden {
  display: none;
}