#app {
  font-family: Arial, Helvetica, sans-serif;
  padding: 0 20px 50px 20px;
}

.btn {
  padding: 5px 7px;
  margin: 10px 0;
  border: 1px solid #000;
  background: #fff;
  width: fit-content;
  cursor: pointer;
  user-select: none;

  transition: background 200ms;
}

.btn:hover {
  background: #eee;
}

h1 {
  margin: 0;
  padding: 30px 0 0 0;
}

.text {
  padding: 10px 0;
}

.info {
  padding: 10px 0;
  color: #f00;
}