.container {
  margin: 0 auto;
  max-width: 1000px;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn {
  min-width: 200px;
  min-height: 30px;
  background: #000;
  color: #fff;
  transition: all .7s;
  border-radius: 100px;
}