.section-header {
    padding-top: 20vh;
    padding-bottom: 20vh;
}

.section-conferences {
    padding-top: 7vh;
    padding-bottom: 7vh;
    background: #EEEEEE;
}

.section-timeline {
    padding-top: 10vh;
    padding-bottom: 10vh;
    background: #009881;
}

.section-invite {
    padding-top: 7vh;
    padding-bottom: 7vh;
    background: #EEEEEE;
}