diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1ca000522..5ed7034d8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,51 +7,55 @@ name: Build
 on: [push]
 
 jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    services:
-      postgres:
-        image: postgres
-        env:
-          POSTGRES_DB: exam_test
-          POSTGRES_USER: exam
-          POSTGRES_PASSWORD: exam
-        options: >-
-          --health-cmd pg_isready
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-        ports:
-          - 5432:5432
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Set up JDK
-        uses: actions/setup-java@v4
-        with:
-          java-version: 21
-          distribution: temurin
-
-      - name: Set up Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20.x
-
-      - name: Check REUSE compliance
-        uses: fsfe/reuse-action@v4
-
-      - name: Build UI
-        run: |
-          rm -rf node_modules
-          npm i
-          npm run check-format
-          npm run check-lint
-          npm run build
-
-      - name: Build backend and run tests
-        run: |
-          sed -i 's/\/var\/log\/exam/logs/g' $GITHUB_WORKSPACE/conf/logback.xml
-          sbt test
+    build:
+        runs-on: ubuntu-latest
+
+        services:
+            postgres:
+                image: postgres
+                env:
+                    POSTGRES_DB: exam_test
+                    POSTGRES_USER: exam
+                    POSTGRES_PASSWORD: exam
+                options: >-
+                    --health-cmd pg_isready
+                    --health-interval 10s
+                    --health-timeout 5s
+                    --health-retries 5
+                ports:
+                    - 5432:5432
+
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+
+            - name: Set up JDK
+              uses: actions/setup-java@v4
+              with:
+                  java-version: 21
+                  distribution: temurin
+                  cache: sbt
+
+            - name: Set up SBT
+              uses: sbt/setup-sbt@v1
+
+            - name: Set up Node
+              uses: actions/setup-node@v4
+              with:
+                  node-version: 20.x
+
+            - name: Check REUSE compliance
+              uses: fsfe/reuse-action@v4
+
+            - name: Build UI
+              run: |
+                  rm -rf node_modules
+                  npm i
+                  npm run check-format
+                  npm run check-lint
+                  npm run build
+
+            - name: Build backend and run tests
+              run: |
+                  sed -i 's/\/var\/log\/exam/logs/g' $GITHUB_WORKSPACE/conf/logback.xml
+                  sbt test
diff --git a/ui/src/app/question/basequestion/multiple-choice-option.component.ts b/ui/src/app/question/basequestion/multiple-choice-option.component.ts
index ac6816824..9e71fa29a 100644
--- a/ui/src/app/question/basequestion/multiple-choice-option.component.ts
+++ b/ui/src/app/question/basequestion/multiple-choice-option.component.ts
@@ -45,9 +45,9 @@ import { QuestionService } from 'src/app/question/question.service';
                 </div>
 
                 @if (allowRemoval) {
-                    <div (click)="removeOption()" class="col-md-1 question-option-trash">
+                    <button (click)="removeOption()" class="col-md-1 question-option-trash btn btn-link">
                         <i class="bi-trash" title="{{ 'i18n_remove' | translate }}"></i>
-                    </div>
+                    </button>
                 }
             </div>
         </div>
diff --git a/ui/src/app/question/basequestion/multiple-choice.component.ts b/ui/src/app/question/basequestion/multiple-choice.component.ts
index 9f51855da..81fab1bca 100644
--- a/ui/src/app/question/basequestion/multiple-choice.component.ts
+++ b/ui/src/app/question/basequestion/multiple-choice.component.ts
@@ -89,10 +89,10 @@ import { WeightedMultipleChoiceOptionEditorComponent } from './weighted-multiple
         }
         <div class="row mt-3">
             <div class="col-md-12">
-                <a (click)="addNewOption()" class="attachment-link pointer">
+                <button (click)="addNewOption()" class="attachment-link pointer btn btn-sm btn-link">
                     <i class="bi-plus"></i>
                     {{ 'i18n_question_add_new_option' | translate }}
-                </a>
+                </button>
             </div>
         </div>
     `,
diff --git a/ui/src/app/question/basequestion/weighted-multiple-choice-option.component.ts b/ui/src/app/question/basequestion/weighted-multiple-choice-option.component.ts
index b9f3d479d..8fbba80d4 100644
--- a/ui/src/app/question/basequestion/weighted-multiple-choice-option.component.ts
+++ b/ui/src/app/question/basequestion/weighted-multiple-choice-option.component.ts
@@ -46,9 +46,13 @@ import { FixedPrecisionValidatorDirective } from 'src/app/shared/validation/fixe
                         [disabled]="lotteryOn"
                     />
                 </div>
-                <div class="col-md-1 question-option-trash pointer" [hidden]="lotteryOn" (click)="removeOption()">
+                <button
+                    class="col-md-1 question-option-trash pointer btn btn-link "
+                    [hidden]="lotteryOn"
+                    (click)="removeOption()"
+                >
                     <i class="bi-trash" title="{{ 'i18n_remove' | translate }}"></i>
-                </div>
+                </button>
             </div>
         </div>
     `,
diff --git a/ui/src/app/question/examquestion/multichoice.component.ts b/ui/src/app/question/examquestion/multichoice.component.ts
index c630650f1..657857caa 100644
--- a/ui/src/app/question/examquestion/multichoice.component.ts
+++ b/ui/src/app/question/examquestion/multichoice.component.ts
@@ -53,9 +53,13 @@ import { ExamSectionQuestionOption } from 'src/app/question/question.model';
                             />
                         }
                     </div>
-                    <div [hidden]="lotteryOn()" (click)="removeOption(option)" class="col-md-1 question-option-trash">
+                    <button
+                        [hidden]="lotteryOn()"
+                        (click)="removeOption(option)"
+                        class="col-md-1 question-option-trash btn btn-link"
+                    >
                         <i class="bi-trash" title="{{ 'i18n_remove' | translate }}"></i>
-                    </div>
+                    </button>
                 </div>
             }
             <div class="row mt-2">
diff --git a/ui/src/app/question/examquestion/weighted-multichoice.component.ts b/ui/src/app/question/examquestion/weighted-multichoice.component.ts
index 8b97616f5..9c18ccfad 100644
--- a/ui/src/app/question/examquestion/weighted-multichoice.component.ts
+++ b/ui/src/app/question/examquestion/weighted-multichoice.component.ts
@@ -77,13 +77,13 @@ import { ExamSectionQuestionOption } from 'src/app/question/question.model';
                                     [disabled]="lotteryOn()"
                                 />
                             </div>
-                            <div
-                                class="col-md-1 question-option-trash pointer"
+                            <button
+                                class="col-md-1 question-option-trash pointer btn btn-link"
                                 [hidden]="lotteryOn()"
                                 (click)="removeOption(option)"
                             >
                                 <i class="bi-trash" title="{{ 'i18n_remove' | translate }}"></i>
-                            </div>
+                            </button>
                         </div>
                     }
                     <div class="row">
@@ -98,10 +98,10 @@ import { ExamSectionQuestionOption } from 'src/app/question/question.model';
         </div>
         <div class="row mt-2">
             <div class="col-md-12">
-                <a (click)="addNewOption()" class="attachment-link pointer">
+                <button (click)="addNewOption()" class="attachment-link pointer btn btn-sm btn-link">
                     <i class="bi-plus"></i>
                     {{ 'i18n_question_add_new_option' | translate }}
-                </a>
+                </button>
             </div>
         </div>
     `,