@import url(https://fonts.googleapis.com/css?family=Roboto);

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
}

.container {
  height: 100%;
  display: flex;
  flex-flow: column;
  justify-content: center;
  align-items: center;
}

.container button {
  border-radius: 10px;
  border: 1px solid grey;
  margin: 10px;
  padding: 10px;
}
