#boxes {
  width: 100%;
  padding: 12px 20px;
  margin: 8px 0;
  font-size: 18px;
  display: inline-block;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

#go-button {
  width: 60%;
  background-color: #ff6600;
  color: white;
  padding: 14px 20px;
  margin: 8px 0;
  font-size: 18px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#go-button:hover {
  background-color: #ee6103;
}

#reset-button:hover {
  background-color: #ee6103;
}

#qkf {
  max-width: 600px;
  margin: auto;
  border-radius: 4px;
  background-color: #f2f2f2;
  padding: 20px;
}

#qkf-head {
  font-family: Arial, Verdana, sans-serif;
  text-align: center;
  font-weight: bold;
  font-size: 2.0em;
  padding-bottom: 4px;
}

#qkf-text {
  font-family: Arial, Verdana, sans-serif;
  text-align: center;
  font-weight: normal;
  font-size: 1.0em;
}