.contenedora {
    width: min( 100%, 75rem );
    margin-inline: auto;
    padding: 1rem;
}                
 

#header {
    max-width: 60rem;
    margin: 0 auto;
    padding: 2em;
    justify-content: space-between;
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    text-align: justify;
   
    }

#menu {
        margin-block: 2em;
        display: flex;
        
    }

header > a {
        display: flex;
        justify-content: right;
        align-items: center;

    } 

a {
        text-decoration: line-through;
        color: rgb(26, 238, 114);
        font-weight: lighter;
        
    }   
    
 * {
        box-sizing: border-box;
        font-family: sans-serif;
        padding: 0;
        border: 0;
        }

.boceto nav  { 
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex-wrap: wrap
    }

.boceto img {
    max-width: 50%;
}

.titulo {
        
        border-block-end: 2px solid rgb(0, 0, 0);
        padding-bottom: 0.25rem;
        margin:auto;
        text-align: right;
    }    
    
body {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        margin: 0;
       }


main {
    padding: 2em 0 0em 0em;
    max-width: 60rem;
    margin: auto;
    }

#perfil {
    margin: auto;
    max-width: 10em;
    }


#perfil img {
    border-radius: 50%;
    border: solid 0.2em
 white;
    }


img {
    max-width: 70%;
    } 



p {
    display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}

#graphic {
    font-family:cursive;
    font-size: 1.2em
    }

h2 {
    display: block;
    font-size: 1.5em;
    margin-block-start: 0.83em;
    margin-block-end: 0.83em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    font-weight: bold;    
    
    
}

h3 {
    display: block;
    font-size: 1em;
    margin-block-start: 0.83em;
    margin-block-end: 1em;   
    justify-content: center;
    font-weight: bold;

}

#yo {
    padding-top: 1em;
    padding-bottom: 1em;
    color: rgb(0, 0, 0);
    text-align: center;
}

#yo nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    display: block;
    font-size: 1em;
    margin-block-start: 0.83em;
    margin-block-end: 1em;
    font-weight: bold;
    
}

ul, ol {
    list-style: none;
    padding: 0;
        }



.materias {
            display: flex;
            flex-wrap: wrap;
            text-align: justify;  
            justify-content: center;
            margin-block-start: 0.3em;
            margin-block-end: 0.3em; 
            font-size: 1em;
            gap: 3em;
              
        }

#utiles{
    display: block;
    text-align: end;
    justify-content: end;
}



.academicos > ul > li:not(:last-of-type) {
    border-bottom: solid 1px hsl(0 0% 0% / .1);
    padding-block-end: 1.5em;
    margin-block-end: 1.5em;
}

.academicos > ul {
    display: flex;
    gap: 1em;
    align-items: flex-start;
    flex-wrap: wrap;
    justify-content: center;

}



ul {list-style: none;}

#perfil {
    margin: auto;
    max-width: 10em;
    }



footer {
    padding: 2em;
    max-width: 60rem;
    margin: auto;
    font-weight: lighter;
    background-color: rgb(26, 238, 114);
    color:rgb(28, 29, 28);
    border-radius:  100em;
     
    }