body {
   padding: 0px 0px 0px 0px ;
   background-color: Snow;
   color: black ;
   text-align: justify;
   font-size: 16px;
}

.menulateral { 
   Position: fixed;
   width: 140px;
   left: 0px ;
   top: 0px ;
   height: 100% ;
   background-color: DarkBlue;
   color: white;
   text-align: center;
   text-shadow: 4px 4px 8px black;
}

.menulateral a {
   background-color: DarkBlue;
   color: white;
   display: block;
   padding: 4px 8px 4px 12px ;
   text-decoration: none;
   text-align: center;
   text-shadow: 4px 4px 8px black;
}

.menulateral a:hover { 
   background-color: #ccc;
   color: white;
   text-shadow: 4px 4px 8px black;
 }

.menulateral a.active {
   background-color: #04AA6D;
   color: yellow;
   text-align: center;
}

.dataspace {
   left: 140px ;
   rigth: 100%
   top: 0 ;
   background-color: Aquamarine;
   color: black;
   text-align: justify;
   padding: 10px 10px 10px 10px ;
}

.imgback {
    background-repeat: no-repeat; 
    background-attachment: fixed; 
    background-size: 100% auto; 
    opacity: 1;
    text-align: center;
}

.cuadro {
  border-collapse: collapse;
  border-spacing: 2px;
  width: 70%;
  border: 2px solid #000000;
  margin-left:auto; 
  margin-right:auto; 
  border:1px solid #ddd;
  background-color: GhostWhite;
  color: black;
}

.cuadro th, td {
  text-align: left;
  padding: 5px;
  font-size:18px; 
}

.cuadro tr:nth-child(even) {
  background-color: #dddddd;
}

li { text-align: left; }

.centrado {
  text-align: center;
  display: block;
}

label {
  display: inline-block;
  width: 70px;
  text-align: right;
}

input,
textarea {
  font: 1em sans-serif;
  width: 260px;
  box-sizing: border-box;
  border: 1px solid #999;
}

input:focus,
textarea:focus {
  border-color: snow;
}

textarea {
  vertical-align: top;
  height: 5em;
}

.botonlink {
   color:black;
   background-color:Gainsboro;
   font-size:18px;
   padding:5px 15px;
   box-sizing:border-box;
   border:1px solid #999;
   text-decoration: none;
}
.botonlink:hover { background-color: Cornsilk; }
.botonlink:visited { color:Black; }