app/assets/stylesheets/components/_buttons.scss
//
// Buttons
//
.btn-3d {
border: 1px solid $primary-darker !important;
border-bottom: 3px solid $primary-darker !important;
}
.btn-xl {
padding: 1.5rem 3rem;
font-size: 1.4rem;
line-height: 1.5;
border-bottom: 5px solid $primary-darker !important;
}