body {
  background: url('../img/immagine-sfondo.jpg') no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  -o-background-size: cover;
  /*width:100vw;
  height:100vh;*/
}
.jumbotron {padding:3rem; background:rgba(255,255,255,0.75); margin-top:3rem; margin-bottom:6rem}

.form-control {font-size:0.9rem; color:#000000}
.checkbox label {font-size:0.85rem}

.help-block {padding:3px 8px; margin:2px 0;}
.help-block li {font-size:0.75rem; text-transform:uppercase;}
.alert.alert-danger {display:none}
.has-error .alert.alert-danger {display:block}
.has-error .alert.alert-danger ul {margin-bottom:0px}

#msgSubmit {display:none; background: #fff; padding: 10px 10px; text-align: center; font-size: 1.2rem; text-transform: uppercase; border: 1px solid #ddd;}
.visibile {display:block !important;}

footer {bottom:0px;}
.navbar-nav .nav-link {font-size:0.8rem; color: #f3f3f3; text-transform:uppercase;}
.navbar-collapse.show .navbar-nav {border-top: 1px dotted #555; margin-top:10px;}
#navbarResponsive .navbar-nav .nav-link {text-align:center;}
.nav-link a:hover {color:#ef4036}