These border classes can be applied to <section>, <div>, <span>, <th>, <td>, as well as textual elements. The examples below use <div> containers for reference.
Border Solid Top
 (.bt-1)
Border Solid Bottom
 (.bb-1)
Border Solid Start
 (.bs-1)
Border Solid End
 (.be-1)
Border Solid All
 (.b-1)
                                    
                                        <div class="bt-1">Content</div>
                                        <div class="bb-1">Content</div>
                                        <div class="bs-1">Content</div>
                                        <div class="be-1">Content</div>
                                        <div class="b-1">Content</div>
                                    
                                
                            Border Dashed Top
 (.bt-da-1)
Border Dashed Bottom
 (.bb-da-1)
Border Dashed Start
 (.bs-da-1)
Border Dashed End
 (.be-da-1)
Border Dashed All
 (.b-da-1)
                                    
                                        <div class="bt-da-1">Content</div>
                                        <div class="bb-da-1">Content</div>
                                        <div class="bs-da-1">Content</div>
                                        <div class="be-da-1">Content</div>
                                        <div class="b-da-1">Content</div>
                                    
                                
                            Border Dotted Top
 (.bt-do-1)
Border Dotted Bottom
 (.bb-do-1)
Border Dotted Start
 (.bs-do-1)
Border Dotted End
 (.be-do-1)
Border Dotted All
 (.b-do-1)
                                    
                                        <div class="bt-do-1">Content</div>
                                        <div class="bb-do-1">Content</div>
                                        <div class="bs-do-1">Content</div>
                                        <div class="be-do-1">Content</div>
                                        <div class="b-do-1">Content</div>
                                    
                                
                            Border None Top
 (.bt-0)
Border None Bottom
 (.bb-0)
Border None Start
 (.bs-0)
Border None End
 (.be-0)
Border None All
 (.b-0)
                                    
                                        <div class="bt-0">Content</div>
                                        <div class="bb-0">Content</div>
                                        <div class="bs-0">Content</div>
                                        <div class="be-0">Content</div>
                                        <div class="b-0">Content</div>
                                    
                                
                            Border Solid Top
 (.bt-1-d-dark)
Border Solid Bottom
 (.bb-1-d-dark)
Border Solid Start
 (.bs-1-d-dark)
Border Solid End
 (.be-1-d-dark)
Border Solid All
 (.b-1-d-dark)
                                    
                                        <div class="bt-1-d-dark">Content</div>
                                        <div class="bb-1-d-dark">Content</div>
                                        <div class="bs-1-d-dark">Content</div>
                                        <div class="be-1-d-dark">Content</div>
                                        <div class="b-1-d-dark">Content</div>