app/assets/stylesheets/modules/_session-subtitle.scss
.session-subtitle {
margin-top: .65em;
margin-bottom: 1em;
border-bottom: 2px solid #DDD;
font-size: 1.3em;
line-height: 2em;
text-align: center;
}
@media screen and (min-width:600px) {
.session-subtitle {
margin-bottom: 1.5em;
}
}