*{box-sizing: border-box;
margin:0;
padding:0;
}

body {
    background-color: lavender;
    font-family: "Roboto" 
    }

header {
    
    background-image: url(../img/giftfondotiembla.gif);
}

/* BOTONES HEADER */

nav ul li {
    display: inline;
    background-color: #814895;
    color: #ffffff;
    margin-right: 2rem; 
    padding: 0.5rem 1rem; 
    border-radius:0.2rem;
    box-sizing: border-box;
    width: 10rem;
}

a {
    color: white;
}

/* Todo el cuerpo principal de las materias e info */
h1 {
    margin: auto;
    background-color:  #e7305e;
    padding: 1rem;
    border-radius:0.2rem;
    font-size: 2rem;
    font-weight: 700;
    color:#ffffff;
    text-align: center;
    width: 42rem;
    display: block;
}

/* Mi Nombre */
h5 {color:#814895;
    padding:1rem;
    text-align: center;
    margin-top: 2rem;
    background-color: lavender;
    width: 22rem;
    font-size: 2rem;    
    margin:auto;
    
}
/* DATOS ACADÉMICOS OBLIGATORIOS */
h6 { 
    color:white;
    justify-content:center;
    margin: auto;
    font-size: 0.8rem;
    font-family: "Roboto", bold;
    font-weight: 300;
    width: 70rem;
    background: #e7305e;
    padding: 0.2rem;
}
/* Diseño Grafico */
h2 {color:#000000;
    padding:1rem;
    text-align: center;
    margin-top: 1rem;
    
}

/* FRANJA DE ARRIBA */
h3 {
	background-color: #e7305e;
	font-size: 0.8rem;
    color:azure;
	padding: 0.5rem;
    text-align: center;
    }

/* posicion de materias */
article h3 {
	background-color: #e7305e;
	font-size: 1.5rem;
    color:white;
	padding: 1rem;
    border-radius:0.2rem;
    text-align: center;
    box-sizing: border-box;
    width: 15rem;
    
    }
/* img centro */
img {
display:block;
margin:auto;
}
     
/* titulos secciones materias */
.columnas { display: flex; 
            justify-content:center;
            margin: 0 rem, 2rem;
            font-size: 0.8rem;
    
}

ul {font-size: 1.2rem;
    color: black;
    text-align: center;
    padding: 1.5rem;
    
}

/* lista de materias */
li {font-family: "Roboto",sans-serif;
    font-size: 1rem;
    text-align: center;
    list-style-type: none;
    line-height: 2rem;
    }

/* boton volver */
body a {padding: 1rem;
text-align: center;
text-decoration: none;    
}



.atras {
    margin: 2rem 40%;
    text-align: center;
    padding: 1rem;
    background-color: #814895;
}

/* footer */

footer { 
    background-color: black;
    color:white;
    font-family: "Roboto",sans-serif;  
    text-align: center;
    padding: 0.7rem;
    line-height: 1.1rem;
    display: block;    
}

footer p  {
    font-size: 0.8rem;
    font-weight: 200;
    background: black;
}


@media (max-width:1024px) {
.columnas {display: inline;}
    article h3 {width: auto;
        min-width: 14rem;
        margin: 3rem;}
    
h1 {width: auto;
        min-width: 18rem;
    margin: 0 5rem;}
     }