couple. ModuleRevisionId is used as the identifier of a module in a particular version or version constraint. It is composed of a ModuleId, a revision, and optionally a branch and extra attributes. ArtifactId identifies an artifact without considering its version. It's basically a ModuleId and an artifact name, type and extension, plus optional extra attributes. ArtifactRevisionId identifies an artifact of a module in a particular version. It is composed of a ModuleRevisionId along with artifact identifier...

auto;\n\n    // Bring the hover, focused, and \"active\" buttons to the front to overlay\n    // the borders properly\n    @include hover() {\n      z-index: 1;\n    }\n    &:focus,\n    &:active,\n    &.active {\n      z-index: 1;\n    }\n  }\n}\n\n// Optional: Group multiple button groups together for a toolbar\n.btn-toolbar {\n  display: flex;\n  flex-wrap: wrap;\n  justify-content: flex-start;\n\n  .input-group {\n    width: auto;\n  }\n}\n\n.btn-group {\n  // Prevent double borders when buttons are...