* {
    margin: 0;
    padding: 0; 
    
}
body { 
    background-color: #F2F2F2 ; margin: auto; width: 90%;
}


header 
{
    /* width: 99%; */
    display: block;
    text-align: center;
    /*background-color: #FF8783; */ 
    margin-top: 20px; 
   /* margin-bottom: 22px; */
     }

div#header_logo { 
float: left;
    /* width: 12%; */
    display: block;
    background-color: #91bfbc;
    }

div#header_titulo { 
    
    font-family: 'Droid Sans', sans-serif;
    text-align: center;
        display: block;
    font-size: 23px;
    color: #91bfbc;
    margin: 2%;
    }



nav {
     clear: both;
    width: 95%;
       
}
nav ul li{
    float: left; 
    display: inline-block;
    list-style: none; 
    border-right: solid 1px;
    
    
    
   /* background-color: #2BC7D9; */
    }
nav ul li:hover {
    background-color: #91bfbc;
    }

div#menu_index {
   font-family: 'Droid Sans', sans-serif;
    /* padding-left: 30px; */
    /* padding-bottom: 10px; */
    display: inline;
    /* margin-right: 50px; */
    /* float: left; */ 
    /* text-align: center; */ 
    /* background-color: #2BC7D9; */
    /* color: #F2F2F2; */
    text-align: left;
    /* list-style: none; */
    
    

 }
div#menu_estudiantes {
    display: block;
    float: right; 
}

.destacado1 {
            font-family: 'Open Sans', sans-serif;
            font-style: oblique;
            font-size: 30pt;
            font-weight: 700;
            
}

.texto {
font-family: 'Droid Sans';
    font-size: 10pt;
}

.texto2 {
        font-family: 'Droid Sans';
        font-size: 8pt;
}

.destacado2 {
        font-family: 'Droid Sans';
        font-weight: 700;

}
.destacado3 {
        font-family: 'Droid Sans';
        font-size: 11pt;
        font-weight: 700;
}

main {
    background-color: #FFF4C9; 
    width: 65%; float: left; 
    margin-top: 20px;
    margin-bottom: 20px;
    margin-right: 10px; 
    padding: 20px;
}

aside {
    width: 25%; 
    float: left; 
    margin-bottom: 20px; 
    margin-top: 20px; 
    /*padding: 20px;*/
}

footer {
    clear: both; 
    background-color: #91bfbc; 
    margin-top: 15px;
    padding: 8px; 
    width: 96%;
    color: #F2F2F2 ;
        

}