app/assets/stylesheets/src_sets.css.scss
// Place all the styles related to the SrcSets controller here.
// They will automatically be included in application.css.
// You can use Sass (SCSS) here: http://sass-lang.com/
$src-set-base: #f5f5f5;
.src-set-name {
text-align: center;
width: 128px;
white-space: nowrap;
overflow: hidden;
margin: auto;
}
.empty-set {
background-color: black;
color: white;
text-align: center;
margin: auto;
}