app/assets/stylesheets/globals.scss
body {
font-family: "Source Sans Pro", sans-serif;
font-size: 16px;
font-weight: 400;
color: rgba(0,0,0,0.75);
line-height: 24px;
}
// By default, hide all hot-switchable elements
// One or more of these should be revealed by Javascript
.one-of-many {
display: none;
}
.clear {
content: ".";
display: block;
height: 0;
clear: both;
visibility: hidden;
}