* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
}
.logo {
  width: 200px;
  border: 0;
  margin: 20px;
  padding-bottom: 50px;
}
.container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}