*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
}

body {
  margin: 0;
  position: relative;
  min-height: 100vh;
}

.loader {
  display: inline-block;
  width: 100px;
  height: 100px;
  border: 5px solid #333;
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

#readyremit-iframe {
  height: calc(90vh - 64px);
}