body{
     font-family: Verdana, Arial, sans-serif;
     font-size: 15px; 
     color: #040404;
     text-align: justify;
     background-color: #2471a3;
  }
  h1{
     margin-left: 10px;
     margin-top: 20px;
     font-size: 300%;
     color: #f1c40f;
  }
  h2{
     margin-left: 10px;
     margin-top: 20px;
     font-size: 200%;
     color: #f1c40f;
  }
  h3{
     margin-left: 10px;
     margin-top: 20px;
     font-size: 100%;
     color: #f1c40f;
  }
  .blanco{
     font-weight: bold;
     color: #ffffff;
  }
  .verde{
     font-weight: bold;
     color: #d3fad3;
  }
  nav{
    /*Bordes redondeados*/
    border-radius:10px;
    background-image: -webkit-gradient(linear, left top, left bottom, from(#FFF), to(#CCC));
    /*Degradados*/
    background-image: linear-gradient(top, #FFF, #CCC);
    overflow:hidden;
    padding:10px;
    width:950px;
  }
nav ul{
    list-style:none;
    margin:0 100px 0 100px;
    padding:0;
}
nav ul li{
    border-radius:50px;
    float:left;
    font-family:Arial, Helvetica, sans-serif;
    font-size:16px;
    font-weight:bold;
    margin-right:100px;
    margin-left:100px
    text-align:center;
    text-shadow: 0px 1px 0px #FFF;
}
nav ul li:hover{
    background-image: linear-gradient(top, #FFF, #E3E3E3);
    box-shadow:  5px -5px 0px #999;
    border:1px solid #E3E3E3;
}
nav ul li a{
    color:#999;
    display:block;
    padding:10px;
    text-decoration:none;
    /*Transiciones*/
    -webkit-transition: 0.4s linear all;
    -moz-transition: 0.4s linear all;
    -o-transition: 0.4s linear all;
    transition: 0.4s linear all;
}
nav ul li a:hover {
    color:#000;
}
table tr {
    background-color: #eee;
}
table tr:nth-child(even) {
    background-color: #eee;
}
table tr:nth-child(odd) {
    background-color: #fff;
}
header, section, aside, footer {
    margin: 10px;
    margin: 0.714285714rem;
    border: 1px solid rgb(158, 158, 158);
    padding: 10px;
    padding: 0.714285714rem;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.5);
   -webkit-box-shadow: 2px 2px 5px rgba(0,0,0,0.5);
   -moz-box-shadow: 2px 2px 5px rgba(0,0,0,0.5);
}
section {
    width: 60%;
    display: inline-block;
    vertical-align: top;
    Text-align: center;
}
aside {
    width: 30%;
    display: inline-block;
    margin-left: 0;
    vertical-align: top;
}
footer {
    background: #09598a;
    font-size: 12px;
    font-size: 0.857142857rem;
    text-align: center;
}
table {
    margin-left: auto;
    margin-right: auto;
}
header {
    background: #154360;
    text-align: center;
}