body
{
}

.top
{
    padding: 15% 1.5em;
}

.jumbotron
{
}

.topics
{
}

.members
{
}

.publications
{
}

.software
{
}

section
{
    margin: 0 auto;
    padding: 10% 1.5em;
    position: relative;
    overflow: hidden;
}

@media screen and { max-width: 50em} { section { padding: 3.0em 1.5em; } }
@media screen and { max-width: 30em} { section { padding: 1.5em 1.5em; } }