header, section, footer, aside, nav, article{display:block;}
body, html {
    height: 100%;
	background-color: #121a27;
	font-family: Cambria, 'Hoefler Text', 'Liberation Serif', 'Times', 'Times New Roman', 'serif';
	color: #fff;
}

a{
	color:#fff;
}
a:link, a:visited, a:active {
    text-decoration:none;
	color:#fff;
}
p{
	font-size:20px;
	text-align: center;
	padding: 50px 20px; 
}
section{
	padding: 60px 0;
}
hr {
	width: auto;
  display: block;
  margin-top: 0.5em;
  margin-bottom: 0.5em;
  margin-left: auto;
  margin-right: auto;
  border-style: inset;
  border-width: 1px;
} 

.hero-image {
  	height: 760px;
 	background-position: center;
  	background-repeat: no-repeat;
  	background-size: cover;
 	position: relative;
	background-attachment: fixed;
}
.hero-text {
  text-align: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
}
header{
	color: #fff;
	position: fixed;
    width: 100%;
	height: auto;
    margin-top: 0px;
    margin-bottom: 0px;
	padding:  10px 0;
	background-color:rgba(8,23,35,1);
	z-index: 99;
}


nav{
	clear:both;
	color:#fff;
	height:auto;
	background-color: none;
	list-style: none;
    margin: 0;
	margin-top:0;
    padding:0;
    -webkit-tap-highlight-color: rgba(0,0,0,0);
    line-height: 1.5;
	font-size: 20px;
}
.nav-item a, .nav-link a{
	color:aliceblue;
}
#menu_servicios{
	margin:0;
padding:0;
list-style-type:none;
	padding-top: 40px;
	font-size: 18px;
	line-height: 20px;
}
#menu_servicios li{
	
	font-style: normal;
	margin-bottom: 40px;
}
#menu_servicios a{
	padding: 10px 20px;
}
#menu_servicios a:hover{
	padding: 10px 20px;
	background-color:rgba(8,23,35,0.49);
}
#lista_interior li{margin-bottom: 30px;}

.lista_prof{
	margin:0 auto;
	padding:0;
	text-align: center;
	font-size: 20px;
}
.lista_prof li{
	display:inline;
	margin-right:100px;
	text-align: center;
}
.foto{
	height: 300px;
	padding: 0 4%;
}

.tarjeta {
  width: auto;
	position: relative;
	float: left;
	margin: 20px;
	
	display: none;
}

.etiqueta {
  transition: .5s ease;
  opacity: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  ms-transform: translate(-50%, -50%);
  text-align: center;
}

.tarjeta:hover .etiqueta {
  opacity: 1;
}

.texto {
  background-color:rgb(0,0,0,0.6);
  color: white;
  font-size: 20px;
  padding: 16px 32px;
}

.contenido {
  overflow: hidden;
}

.filterDiv {
  float: left;
  background-color: #2196F3;
  color: #ffffff;
  width: 100px;
  line-height: 100px;
  text-align: center;
  margin: 2px;
  display: none; /* Hidden by default */
}

/* The "show" class is added to the filtered elements */
.show {
  display: block;
}

/* Style the buttons */
.btn {
  border: none;
  outline: none;
  padding: 12px 16px;
margin:10px;
  background-color: #f1f1f1;
  cursor: pointer;
}

/* Add a light grey background on mouse-over */
.btn:hover {
  background-color: #ddd;
}

/* Add a dark background to the active button */
.btn.activo {
  background-color:#23334D;
  color: white;
}

.fa {
  padding: 20px;
	
}