body {
    background: #fafafa;
}

.hero-unit {
    margin: 50px auto 0 auto;
    width: 300px;
}

.login {
  text-align: left;
  display: inline-block;
  padding: 20px; 
  width: 900px;
  height: 500px;
}

.niagara {
  width: 100%;
  height: 500px;
}