* {
  margin: 0;
  padding: 0;
 }

html, body, header {
  min-height: 40px;
  height: 100%;
}

body {
  font: 16px Georgia, serif;
}

#page-wrap {
  margin: 2% auto;
  color: white;
}

#page-wrap > .main {
  border: 1px solid #999;
  padding: 1%;
  margin-bottom: 1px;
  color: black;
  width: 95%;
 /* display:block;*/
}

#page-wrap > .main > #texto_cab {
  float: left;
  width: 75%;
  text-align: center;
  border: 1px solid #999;
  max-height: 30px;
  margin-bottom: 2%;
  padding-bottom: 1%;
}

#page-wrap > .main > #foto_cab {
  float: left;
  max-height: 30px;
  margin-bottom: 2%;
  margin-left: 5%; 
  text-align: center;
 }

#page-wrap > .main > #foto_cab > #imagen_cab {
  margin: auto;
  width: 50px;
  height: 50px;
  padding-left: 5%; 
  vertical-align: center; 
}

header, nav, section {
  background: #eee;
  height: 200%;
}

nav{
  clear: both;
  text-align: left;
  font-family: Tahoma , serif;
  font-size: 20px;
  text-decoration: none;
  font-weight: bold;
}

section {
  display: flex;
  flex-wrap: wrap;
  display: -webkit-inline-flex; /* Para navegadores webkit, como Safari */
  text-align: center;

}

#contenedor {
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;

  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
}

.vertical {
  padding:  3px;
  border: 1px solid black;
  background-color: white;
  width: 250px;
  height: 400px;
}

.horizontal {
  border: 1px solid black;
  background-color: white;
  width: 250px;
  height: 190px;
}

img #imagen {
  display: block;
  margin: auto;
  width: 90%;
  max-height: 410px;
  padding: 5%;  
}

footer {
  background: #eee;
  text-align: center;
  content: "Defecto";
}    

nav span {
  margin: 0px 10px 0px 0px;
}