html {   background: url(/img/bg-05.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; margin-bottom: 30px; }  .row100 { opacity: 1.00; background-color: #eee; margin-bottom: 30px;