@import url(https://fonts.googleapis.com/css?family=Lato:100,100italic,300,300italic,regular,italic,700,700italic,900,900italic);
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Lato", sans-serif;
}

body {
  background: #fff;
}

.container {
  margin: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

h1 {
  font-size: 2.6rem;
  font-weight: 300;
  margin-bottom: 10px;
}

p {
  text-align: center;
}

input {
  margin: 20px 0;
  padding: 10px;
  background-color: transparent;
  border: 2px solid #ccc;
  border-radius: 4px;
  outline: none;
}

input[type="number"] {
  width: 200px;
}

.btn {
  padding: 10px 20px;
  background-color: transparent;
  border: 2px solid #ccc;
  border-radius: 4px;
  cursor: pointer;
  text-transform: uppercase;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
  transition: transform 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(1px);
}

.message {
  font-size: .8rem;
  text-align: left;
}