* {box-sizing: border-box;}

body {
  margin: 0;
  margin-left: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
}

button:hover {
  opacity: 0.8;
}

h1 { 
  font-size: 16px;
  margin-left: 20;
}

h2.error {
           text-align:center;
           padding:10px;
           margin:10px auto 20px auto;
           margin-left:20px;
           margin-right:20px;
           background-color:yellow;
           font-size: 12px;
           color:red;
           border: solid 1px;
           }

.responsive {
  width: 70%;
  max-width: 400px;
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

img.displayed {
    max-width: 120px;
    display: block;
    margin-left: 0;
    margin-right: 0;
	}

table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
  border: 1px solid #ddd;
}

th, td {
  text-align: left;
  padding: 8px;
}

tr:nth-child(even){background-color: #f2f2f2}


a:hover {
  background-color: #ddd;
  color: black;
}

a {
  color: blue;
  text-decoration: none;
  font-size: 17px;
}

a.icon {
  color: white;
  text-decoration: none;
  font-size: 26px;
}

.descritor
{
  color: blue;
  text-decoration: none;
  font-size: 12px;
}

.footer {
   position: fixed;
   left: 0;
   bottom: 0;
   width: 100%;
   background-color: #006699;
   color: white;
   text-align: center;
}

.responsive-iframe {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
}

tr:nth-child(even) {background-color: #f2f2f2;}

/* Create two unequal columns that floats next to each other */
.column {
  float: left;
  padding: 0px;
}

.left {
  width: 25%;
}

.right {
  width: 75%;
}

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

.topnav {
  overflow: hidden;
  background-color: #e9e9e9;
}

.topnav-right {
  overflow: hidden;
  background-color: #e9e9e9;
  font-size: 17px;
}

.topnav button {
  float: left;
  display: block;
  color: black;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 14px;
}

.topnav a {
  float: left;
  display: block;
  color: black;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 14px;
}

.topnav-right a {
  float: right;
  display: block;
  color: black;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 14px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #006699;
  color: white;
}

.topnav button.active {
  background-color: #006699;
  color: white;
}

.topnav .search-container {
  float: right;
}

.topnav input[type=text] {
  padding: 6px;
  margin-top: 8px;
  font-size: 14px;
  border: none;
}

.topnav .search-container button {
  float: right;
  padding: 6px 10px;
  margin-top: 8px;
  margin-right: 16px;
  background: #ddd;
  font-size: 17px;
  border: none;
  cursor: pointer;
}

.topnav .search-container button:hover {
  background: #ccc;
}

@media screen and (max-width: 600px) {
  .topnav .search-container {
    float: none;
  }

  .topnav a, .topnav input[type=text], .topnav .search-container button, .topnav button{
    float: none;
    display: block;
    text-align: left;
    width: 100%;
    margin: 0;
    padding: 12px;
  }
  
  .topnav input[type=text] {
    border: 1px solid #ccc;  
  }
  
  img.displayed {
    max-width: 400px;
    display: block;
    margin-left: auto;
    margin-right: auto;
	}
}