body {
  padding-left: 11em;
  font-family: Georgia, "Times New Roman",
        Times, serif;
  /*color: #FFFFFF;*/
  color: black;
  background-image: url("fondo.jpg");
  /*background-color: #cccccc; /* Used if the image is unavailable */
  height: 1000px; /* You must set a specified height */
  /*width: 100%;*/
  background-position: center; /* Center the image */
  background-repeat: no-repeat; /* Do not repeat the image */
  background-size: cover; /* Resize the background image to cover the entire container */
   }
ul.navbar {
  list-style-type: none;
  padding: 0;
  margin: 0;
  position: absolute;
  top: 2em;
  left: 1em;
  width: 9em }
h1 {
  font-family: tahoma}

h2 {
  font-family: tahoma}

ul.navbar li {
  background: white;
  margin: 0.5em 0;
  padding: 0.3em;
  border-right: 1em solid black }
ul.navbar a {
  text-decoration: none }
a:link {
  color: red }
a:visited {
  color: black }
address {
  margin-top: 1em;
  padding-top: 1em;
  border-top: thin dotted }
.caja{
  position: relative;
  font-family: tahoma,sans-serif; 
  color: #ffffff; 
  opacity: 0.5;
  font-size: 18px; 
  font-weight: 400; 
  text-align: center; 
  background: black; 
  margin: 0 0 25px; 
  overflow: hidden; 
  padding: 10px; 
  border-radius: 35px 0px 35px 0px; 
  -moz-border-radius: 35px 0px 35px 0px; 
  -webkit-border-radius: 35px 0px 35px 0px; 
  border: 2px solid red;}
}