@font-face {
    font-family: 'Aster';
    src: url(../fonts/Aster-Regular.woff2’) format(‘woff2’),
        url(../fonts/Aster-Regular.ttf’) format(‘truetype’)
}

* {
    margin: 0px;
    padding: 0px;
    font-family: 'Aster', sans-serif;
}

html, body {
    margin: 0;
    height: 100%;
    overflow: hidden; /* désactive scroll global */
    font-family: 'Aster';
}

header {
  height: 60px; /* hauteur fixe de l'onglet/menu */
}

iframe {
  width: 100%;
  height: calc(100% - 60px); /* prend le reste de la page */
  border: none;
}