html {
  font-size: 62.5%;
}

body {
  font-size: 1.6rem;
  margin: 0;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}

.modal-content {
  background-color: #fff;
  margin: 5%;
  padding: 30px;
  border-radius: 5px;
}

.modal-content label,
.modal-content input {
  display: block;
  margin-bottom: 10px;
}

.modal-content button {
  margin-top: 10px;
  padding: 10px 20px;
  border-radius: 5px;
  border: none;
  background-color: #007bff;
  color: #fff;
  cursor: pointer;
}

.modal-content button:hover {
  background-color: #0069d9;
}