.popup {
  position: fixed;
  top: calc(50% - 300px);
  left: calc(50% - 300px);
  width: 100%;
  max-width: 600px;
  padding: 1rem;
  color: #fff;
  background: #2D3748;
}

.popup--close {
  position: absolute;
  top: 0;
  right: 0;
  padding: 0.5rem;
}

.popup h3 {
  padding: 1rem;
  margin-bottom: 1rem;
  margin-top: 0;
}

.popup h4 {
  margin-bottom: 0.5rem;
  margin-top: 0;
  text-decoration-line: underline;
  text-decoration-color: #FC8181;
  text-decoration-style: double;
}

.popup section {
  padding: 1rem;
  margin-bottom: 1rem;
  margin-top: 0;
}

.popup section.popup--columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-gap: 1rem;
}

.popup label {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  font-weight: 700;
}

.popup label button {
  margin-left: 1rem;
  padding: 0 0.5rem;
  font-size: 0.75rem;
  color: #fff;
  background-color: transparent;
  border: 0 none;
  border-bottom: 3px double #FC8181;
  cursor: pointer;
}

.popup input, .popup textarea {
  width: 100%;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: normal;
  color: #232425;
  background-color: #f1f5f8;
  border: 1px solid #b8c2cc;
}

.popup input:disabled {
  background-color: #b8c2cc;
}

.popup button {
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  background-color: #fff;
  border: 0 none;
}

.popup--action {
  padding: 0.5rem 2rem;
}