*:focus, *:active {
  color: #f00;
}

/* Top-level container for the modal hierarchy */
.modal-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  visibility: hidden;
}

/* This element contains text mean for screen readers and does not need to be visible */
#modal-description {
  display: none;
}

/* The backdrop */
.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, .8);
}

/* The dialog window itself */
.modal-content {
  position: relative;
  padding: 20px;
  width: 40vw;
  height: 30vh;
  max-height: 300px;
  max-width: 500px;
  background: #fff;
  border-radius: 10px;
}

/* Buttons stuck to the footer of the modal */
.modal-buttons {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  text-align: right;
  border-top: 1px solid #ddd;
  padding: 10px;
}