header, footer, aside, nav, article, section {  
    display: block;  
}

body {  
    background-color: #FFFFFF;
    font-family: Verdana, sans-serif;
}

/*
h1 {
    font-family: Garamond, "Times New Roman", serif;
    text-transform: uppercase;
    font-weight: bold;
}
*/
body > header {
    text-align: center;
    background-color: #aabbcc;
    border: 5px solid black;
    border-style: solid none solid none;
}

.tema, .subtema {
    padding:  15px;
    border:    5px solid DarkGray;
    border-radius: 15px;
    box-shadow: 10px 10px 5px gray;
}

.subtema {
    background-color: #e0ffff;
    background-image: linear-gradient(top, #e0ffff, #FFFFFF);
    background-image: -moz-linear-gradient(top, #e0ffff, #FFFFFF);
    margin-top: 25px;
}

.subtema header p {
    display: inline;
    background: white;
    font-weight:bold;
}

#menu {
    text-align: center;
    margin-top: 1em;
}

#menu > ul {
    display: inline-block;
}

#menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

#menu > ul > li {
    display: table-cell;
    vertical-align: top;
}

#menu p {
    border: 2px solid gray;
    border-radius: 5px;
    padding: 5px;
    margin: 5px;
    background-color: #e0ffff;
}

.menudesplegable > ul {
    display: none;
    text-align: left;
    position: absolute; /* Así no empuja hacia abajo el resto de la página al desplegarse */
}


.menudesplegable:hover  > ul {
    display: block;
}


#menu a {
    text-decoration: none;
}

a:hover, #menu a:hover  {
    background-color: #ffffff;
}

footer {
    margin-left: 30px;
}

ol li {
    margin-top: 1em;
}

code {
    font-weight:bold;
}

#cronograma {
    margin-left: auto;
    margin-right: auto;
}

#cronograma td, #cronograma th {
    border: 2px solid gray;
    vertical-align: top;
}

.lectivo {
/*    background-color: green;*/
}

.nolectivo {
    color: red;
    background-color: gray;
    text-decoration: line-through;
}

.calificaciones {
    border-collapse: collapse;
}

.calificaciones tr:first-child {
    background-color: #B9B9CC !important;
}
.calificaciones tr:nth-child(2n) {
    background-color: #E7E7FF;
}

.calificaciones tr:nth-child(2n+1) {
    background-color: #F5F5FF;
}

.calificaciones td, .calificaciones th {
    padding: 5px 20px 5px 20px;
}


dt {
    font-weight: bold;
}

dt:after {
    content: ":";
}

dd {
    padding-bottom: 0.3em;
}

.destacado {
    background-color: yellow;
}