/* COULEURS */
:root {
    --color-primary: #9641D7;
    --color-secondary: radial-gradient(1000px 500px at 10% 20%, #AB53CC 0%, #4B3691 50%, #000752 100%), #000752;
}
/* Backgrounds */
header#header {
    background-color: var(--color-primary);
}
header#header #hero-banner {
    background-image: url('https://cimpabenin2027.sciencesconf.org/data/css/banniere_conference_v4_1000x_281.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
#page ul {list-style: disc inside;}