body {
  background-color: rgb(20, 20, 20);
}

.container {
  margin-top: 100px;
  width: 450px;
  height: 250px;
  border-radius: 20px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  transition: 0.3s;
  background-color: #111;
}

.center {
  text-align: center;
  position: center;
}

input {
  border: 1px solid #ccc;
  border-radius: 6px;
  text-align: center;
  padding-top: 10px;
  padding-bottom: 10px;
  padding-left: 20px;
  padding-right: 20px;
}

button {
  margin-top: 5px;
  border: 1px solid rgb(105, 105, 105);
  border-radius: 6px;
  padding-top: 7px;
  padding-bottom: 7px;
  padding-left: 14px;
  padding-right: 14px;
  cursor: pointer;
  background-color: rgb(146, 146, 146);
}

button:hover {
  background-color: rgb(105, 105, 105);
}

button:active {
  background-color: rgb(128, 128, 128);
}

h1 {
  color: white;
  font-family: Arial, Helvetica, sans-serif;
}