/* =========================
   ESTILOS GENERALES
   ========================= */
body{
  font-family: Verdana, Arial, sans-serif;
  font-size: 15px;
  color: #735846;
  text-align: justify;
  background-color: #CED8F6;
}

/* =========================
   TITULOS
   ========================= */
h1{
  margin-left: 40px;
  margin-top: 20px;
  font-size: 300%;
  color: #d38451;
}

h2{
  margin-left: 50px;
  margin-top: 15px;
  font-size: 250%;
  color: #E3A114;
}

h3{
  margin-left: 30px;
  margin-top: 25px;
  font-size: 150%;
  color: #7C14E3;
}

/* =========================
   CLASES DE TEXTO
   ========================= */
.azul{
  font-weight: bold;
  color: #6C6CCA;
}

.verde{
  font-weight: bold;
  color: #0B610B;
}

/* =========================
   NAV / MENÚ
   ========================= */
nav{
  border-radius: 10px;

  /* Compatibilidad antigua (opcional) */
  background-image: -webkit-gradient(linear, left top, left bottom, from(#FFF), to(#CCC));

  /* CSS moderno */
  background-image: linear-gradient(to bottom, #FFF, #CCC);

  overflow: hidden;
  padding: 10px;
  width: 950px;
}

/* 🔥 CLAVE: quita viñetas y espacios por defecto del UL */
nav ul{
  list-style: none;
  margin: 0;
  padding: 0;
  overflow: hidden; /* contiene los floats de los li */
}

nav ul li{
  border-radius: 5px;
  float: left;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  font-weight: bold;
  margin-right: 10px;
  text-align: center;
  text-shadow: 0px 1px 0px #FFF;
}

/* Hover del LI */
nav ul li:hover{
  background-image: linear-gradient(to bottom, #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;
}

/* =========================
   ESTRUCTURA (HTML5)
   ========================= */
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);
}

/* Solo UNA definición de section (antes estaba repetida) */
section{
  width: 60%;
  display: inline-block;
  vertical-align: top;
  text-align: center;
}

aside{
  width: 30%;
  display: inline-block;
  margin-left: 0;
  vertical-align: top;
}

header{
  background: #086A87;
  text-align: center;
}

footer{
  background: #ddd;
  font-size: 12px;
  font-size: 0.857142857rem;
  text-align: center;
}

/* =========================
   TABLAS
   ========================= */
table{
  margin-left: auto;
  margin-right: auto;
}

table tr{
  background-color: #eee;
}

/* Puedes dejar esto así si lo quieres (está correcto) */
table tr:nth-child(even){
  background-color: #eee;
}

table tr:nth-child(odd){
  background-color: #fff;
}