/* Basic styling for container, list, button, modal */
.container { /* ... */ }
#bookmark-list { /* ... */ }
#add-bookmark { /* ... */ }
#modal { /* ... */ }

/* Styling for bookmark items */
.bookmark-item { /* ... */ } 
.bookmark-title { /* ... */ }
.bookmark-url { /* ... */ }

/* More specific styling for modal elements */
.modal-content { /* ... */ }
.modal-header { /* ... */ }
.modal-body { /* ... */ }
.modal-footer { /* ... */ }