body {
  font-size: 16px;
  background-attachment: fixed;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: contain; }

.header {
  max-width: 500px;
  width: 100%;
  height: auto;
  margin: 0 auto;
  padding: 20px 10px; }
  .header .logo {
    display: block; }
    .header .logo img {
      height: auto;
      width: 200px; }

#app {
  position: relative;
  max-width: 500px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px 40px; }
  #app .btn {
    background-color: #F6AA53;
    padding: 5px 10px;
    color: #fff;
    border-radius: 5px;
    font-size: 15px;
    transition: all 0.25s ease;
    margin-top: 20px;
    cursor: pointer; }
    #app .btn:hover {
      background-color: #f9c283; }
    #app .btn.disabled {
      background-color: #f9c283;
      cursor: not-allowed; }
  #app .form-input {
    display: block;
    width: 100%;
    border: 1px solid #F6AA53;
    border-radius: 5px;
    margin-top: 10px;
    padding: 10px; }

footer {
  width: 100%;
  text-align: center;
  padding: 10px 0;
  background-color: #605b5b;
  color: #fff; }