html {   background: url(/img/bg-06.jpg) no-repeat center center fixed;   -webkit-background-size: cover;  -moz-background-size: cover;  -o-background-size: cover;  background-size: cover; }
 body { background-color: transparent; }
 .jumbotron { opacity: 0.75; }
  .jumbotron h1{ font-size: 36px; }
 .row { opacity: 0.75; background-color: #eee; }
 #map-canvas { width: 100%; height: 600px; margin-top: 20px; }