* {
    box-sizing: border-box;
}


img.bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    min-width: 1024px;
    z-index: -9999;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    /*background: url(immaginedisfondo.jpg) no-repeat 0 50% #fff }*/
}

body {font-size: 16px;}
.small {font-size: .75rem;}
.large {font-size: 1.25rem;}

/* Style the header */
.header {
    margin: 2px;
    padding: 1px;
    text-align: right;
    font-size: 18px;
	/*background-color: Aquamarine;*/

}

/* Style the top navigation bar */
.topnav {
    overflow: hidden;

}

/* Style the navigation bar */
.navbar-custom {
	background-color: lightblue;
}

/* Style the topnav links */
.topnav a {
    float: right;
    display: block;
    color: #ffffff;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;

}

/* Change color on hover */
.topnav a:hover {
    color: black;
}

/* Style the container */
/*
.container {
    margin: 2px;
    padding: 1px;
    font-size: 18px;
}
*/

/* Create two columns that floats next to each other */
.column_left {
    float: left;
    width: 20%;
    padding: 10px;
}

/* Create two columns that floats next to each other */
.column_right {
    float: left;
    width: 80%;
    padding: 10px;
}

/* Clear floats after the columns */
.row:after {
    content: "";
    display: table;
    clear: both;
}

/* Style the footer */
.footer {
    padding: 2px;
    text-align: center;
}


/* Responsive layout - makes the three columns stack on top of each other instead of next to each other */
@media (max-width: 600px) {
    .column {
        width: 100%;
    }
}

 /* Popup container */
.popup {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

/* The actual popup (appears on top) */
.popup .popuptext {
  visibility: hidden;
  width: 600px;
  background-color: #007dff; /* light blue */
  color: white;
  text-align: left;
  border-radius: 6px;
  padding: 10px 0 10px 10px;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -80px;
}

/* Popup arrow */
.popup .popuptext::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #555 transparent transparent transparent;
}

/* Toggle this class when clicking on the popup container (hide and show the popup) */
.popup .show {
  visibility: visible;
  -webkit-animation: fadeIn 1s;
  animation: fadeIn 1s
}

/* Add animation (fade in the popup) */
@-webkit-keyframes fadeIn {
  from {opacity: 0;}
  to {opacity: 1;}
}

@keyframes fadeIn {
  from {opacity: 0;}
  to {opacity:1 ;}
}