html {
  background: url(../images/eaglecrest_air.jpg) no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}
.ab-logo {
  height: 45px;
  margin-top: 8px;
  margin-right: 8px;
}
body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}
main {
  flex: 1 0 auto;
}