body{
    @import url(https://fonts.googleapis.com/css?family=Open+Sans:400,400italic,700,700italic,800italic,800,300italic,300);
    font-family: 'Open Sans', sans-serif;
    font-size: 13px;
    background-image: url(imagenes/thunder.jpg);
    margin-left: 2rem;
    margin-right: 2rem;
    margin-top: 2rem;
    
}


.menuboton{
    text-decoration: none;
    color: #000;
}

a:hover{
    background-color: #FF4778;

}

#botoncitos{
    margin-left: 12.8rem;
    margin-bottom: 1rem;
    padding: 0.5rem;
    text-decoration-color: black;
}

.menu{
    font-size: 0.6rem;
    font-weight: 700;
    text-decoration-line: none;
    padding: 0.5rem;
    background-color: #B5B5B5;
    display: inline;
    margin: 0.2rem;
    margin-bottom: 1rem;
    
}

#contacto{
    margin-top: 1rem;
}

#iconitos{
    list-style: none;
    float: left;
    margin-top: 0.2rem;
    margin-right: 1rem;
    background-color: #FF4778;
    padding: 1rem;
    width: 12.5rem;
    height: 18rem;
}

h1{
    margin-top: 0.1rem;
}

.materias{
    padding-top: 0.3rem;
    padding-bottom: 0.3rem;
    padding-left: 1rem;
    padding-right: 1rem;
    background-color: #B5B5B5;
    font-size: 11px;
    width: 15rem;
    margin-left: 16rem;
    
}

.titulomaterias{
    font-weight: 700;
    font-size: 13px;

}

.rotulo{
    padding-top: 0.3rem;
    padding-bottom: 0.3rem;
    padding-left: 1rem;
    padding-right: 1rem;
    background-color: #B5B5B5;
    font-size: 11px;
    width: 20rem;
    margin-left: 33rem;
    margin-top: -19.6rem;
    
    
}


.pieses{
    background-color: #B5B5B5;
    background-size: cover;
    padding: 0.2rem;
    margin-top: 3rem;
    font-size: 10px;
    text-align: center;
    
}

.obligatorio{
    font-style: italic;
    padding: 0.5rem;
    border-style: dashed;
    border-color: dimgray;
    border-width: thin;
    
    
}