@import 'https://fonts.googleapis.com/css?family=Roboto:300,400,700';

*{ box-sizing: border-box;}
body {background-image: url(../img/background.png);}

header {background-image: url(../img/techoFADU.png); width: 100%; background-position: center; font-family: 'Roboto', sans-serif; background-repeat: no-repeat; min-height: 350px}

ul { list-style-type: none; margin: 0%; padding: 2%; overflow: hidden; text-align: center; width: 100%;}
li { display: inline; float:center; align-content: center;}
li a { display: inline; color: #000000; text-align: center; padding: 14px 16px; text-decoration: none;}
li a:hover {color: black; background-color: aquamarine;}

main{margin: none;}

section {background: white; background-size: cover; width: 100%; background-position: center; font-family: 'Roboto', sans-serif; color: black; text-align: center; padding: 40px;}

h1 {color:black; font-weight: 800; font-family: 'Roboto', sans-serif; font-size: 100px; margin-top: 12px; border: none;}
h2 {margin-top: -90px; border: none;}
h3 {}
h5 {}

.detalles{ display: flex; justify-content: space-between;background: #ffffff; border: none; font-family: 'Roboto', sans-serif; font-size: 14px}
.detalles article{ background: #ffffff; width: 30%; color: black; padding: 2px; text-align: center; margin: 10px;}
.detalles article h4{ margin: -5px; text-align: center;}

.mapa img{
width: 100%;
}


footer p{font-size: 0.7rem; color:#fff; text-align:center; width: 100%; font-family:'Roboto'}
footer{background: #383838; padding: 10px; position: relative; float: center; margin-top: none; width: 100%;}

<!!!!<article> 
                    <p><b>Objetivo </b><br>Contribuir al desarrollo y a la formación intelectual</p><br>
                </article>
                <article> 
                    <p><b>Comitente</b><br> Centro de Documentación - Biblioteca FADU – UBA </p><br>
                </article>
                <article>     
                    <p><b>Usuarios</b><br>Alumnos y docentes de la FADU interesados en consultar textos de disciplinas específicas</p><br>
                </article> !!!>