themes/classic/sass/partials/_pinboard.scss
aa230616
 #pinboard_linkroll {
   .pin-title, .pin-description {
     display: block;
     margin-bottom: .5em;
   }
   .pin-tag {
     @include hover-link;
     @extend .aside-alt-link;
     &:after { content: ','; }
     &:last-child:after { content: ''; }
   }
 }