gridstack-profile/angular/projects/demo/src/app/app.component.css

TypeScript/JS lib for dashboard layout and creation, responsive, mobile support, no external dependencies, with many wrappers (React, Angular, Vue, Ember, knockout...)

.test-container {
  margin-top: 30px;
}
button.active {
  color: #fff;
  background-color: #007bff;
}

.text-container {
  display: flex;
}