diff --git a/resources/views/bookings/delete.blade.php b/resources/views/bookings/delete.blade.php
index 73e50b3..0f7cad1 100644
--- a/resources/views/bookings/delete.blade.php
+++ b/resources/views/bookings/delete.blade.php
@@ -3,41 +3,53 @@
 @section('title', 'Buchung löschen')
 
 @section('subnav')
-    <a href='{{ url()->previous() }}'>Zurück</a>
+    <a href='{{ url()->previous() }}' class='btn btn-outline-secondary'>Zurück</a>
 @endsection
-
 @section('content')
     <h2>@yield('title')</h2>
-    <form action='/bookings/{{ $booking->id }}' method='post'>
+    <form action='/bookings/{{ $booking->id }}' method='post' class='mt-4 text-center'>
         {{ method_field('delete') }}
         {{ csrf_field() }}
-        <p>Soll folgende Buchung und alle ihre Teilbuchungen wirklich gelöscht
-        werden?</p>
+        <div class='alert alert-danger'>
+            <p>
+                Soll folgende Buchung und alle ihre Teilbuchungen wirklich
+                gelöscht werden?
+            </p>
 
-        <table border='1'>
-            <tr>
-                <th>Datum</th>
-                <th>Positionen</th>
-                <th>Person / Firma</th>
-                <th>Betrag</th>
-            </tr>
-            <tr>
-                <td>{{ $booking->date }}</td>
-                <td>{{ $booking->reference }}</td>
-                <td>{{ $booking->person_or_company }}</td>
-                <td align='right'>{{ formatAmount($booking->signedAmount(), true, true) }}</td>
-            </tr>
-            @foreach($booking->subBookings as $subBooking)
+            <table class='table'>
                 <tr>
-                    <td></td>
-                    <td>{{ $subBooking->reference }}</td>
-                    <td></td>
-                    <td align='right'>{{ formatAmount($subBooking->signedAmount(), true, true) }}</td>
+                    <th>Datum</th>
+                    <th>Positionen</th>
+                    <th>Person / Firma</th>
+                    <th>Betrag</th>
                 </tr>
-            @endforeach
-        </table>
+                <tr>
+                    <td>{{ formatDate($booking->date) }}</td>
+                    <td>{{ $booking->reference }}</td>
+                    <td>{{ $booking->person_or_company }}</td>
+                    <td align='right'>
+                        {{
+                            formatAmount($booking->signedAmount(), true, true)
+                        }}
+                    </td>
+                </tr>
+                @foreach($booking->subBookings as $subBooking)
+                    <tr>
+                        <td></td>
+                        <td>{{ $subBooking->reference }}</td>
+                        <td></td>
+                        <td align='right'>
+                            {{
+                                formatAmount($subBooking->signedAmount(), true, true)
+                            }}
+                        </td>
+                    </tr>
+                @endforeach
+            </table>
 
-        <button type="submit" id="submit">Ja</button>
+            <button class='btn btn-primary' type="submit" id="submit">Ja</button>
+            <a href="{{ url()->previous() }}" class="btn btn-outline-secondary">Nein</a>
+        </div>
     </form>
 @endsection
 
diff --git a/resources/views/bookings/index.blade.php b/resources/views/bookings/index.blade.php
index 27952c0..1c5975f 100644
--- a/resources/views/bookings/index.blade.php
+++ b/resources/views/bookings/index.blade.php
@@ -21,8 +21,8 @@
       {{ $year + 1 }} <i class="fas fa-chevron-right"></i>
     </a>
 </div>
-<table class='table table-striped table-bordered'>
-    <tr>
+<table class='table table-bordered table-hover'>
+    <tr class='table-secondary'>
         <th>Datum</th>
         <th>Positionen</th>
         <th>Person / Firma</th>
@@ -30,7 +30,7 @@
         <th>Eingang (H)</th>
         <th>Konto</th>
         <th>Projekt</th>
-        <th></th>
+        <th>Aktionen</th>
     </tr>
     @for ($month = 1; $month <= 12; $month++)
         @if ((
@@ -42,15 +42,15 @@
                 or $firstDate['Y'] == $year
                 and $firstDate['m'] <= $month
             ))
-            <tr style='color: red; font-weight: bold'>
-                <td>{{ startOfMonth($year, $month) }}</td>
-                <td>Saldo</td>
-                <td></td>
-                <td></td>
-                <td>{!! formatAmount($sums[$month - 1]['balance']) !!}</td>
-                <td></td>
-                <td></td>
-                <td></td>
+            <tr class='table-danger'>
+                <th>{{ startOfMonth($year, $month) }}</th>
+                <th>Saldo</th>
+                <th></th>
+                <th></th>
+                <th>{!! formatAmount($sums[$month - 1]['balance']) !!}</th>
+                <th></th>
+                <th></th>
+                <th></th>
             </tr>
         @endif
         @if (isset($bookings[$month]))
@@ -81,10 +81,18 @@
                     </td>
                     <td>
                         <div class='btn-group' role='group' aria-label='Basic example'>
-                            <a href='/bookings/{{ $booking->id }}/edit' class='btn btn-success'>
+                            <a href='/bookings/{{ $booking->id }}/edit'
+                               class='btn btn-success'
+                               data-toggle='tooltip'
+                               data-placement='bottom'
+                               title='Bearbeiten'>
                                 <i class='fas fa-edit'></i>
                             </a>
-                            <a href='/bookings/{{ $booking->id }}/delete' class='btn btn-danger'>
+                            <a href='/bookings/{{ $booking->id }}/delete'
+                               class='btn btn-danger'
+                               data-toggle='tooltip'
+                               data-placement='bottom'
+                               title='Löschen'>
                                 <i class="fas fa-trash"></i>
                             </a>
                         </div>
@@ -92,7 +100,7 @@
                 </tr>
                 @if (!$booking->isSimple())
                     @foreach ($booking->subBookings as $subBooking)
-                        <tr>
+                        <tr class='table-secondary'>
                             <td></td>
                             <td>{{ $subBooking->reference }}</td>
                             <td></td>
@@ -129,29 +137,29 @@
                 or $firstDate['Y'] == $year
                 and $firstDate['m'] <= $month
             ))
-            <tr style='color: #000080; font-weight: bold'>
-                <td>
+            <tr class='table-primary'>
+                <th>
                     {{ endOfMonth($year, $month) }}
-                </td>
-                <td>Monatsabschluss</td>
-                <td></td>
-                <td>{!! formatAmount($sums[$month]['expeditures']) !!}</td>
-                <td>{!! formatAmount($sums[$month]['incomes']) !!}</td>
-                <td></td>
-                <td></td>
-                <td></td>
+                </th>
+                <th>Monatsabschluss</th>
+                <th></th>
+                <th>{!! formatAmount($sums[$month]['expeditures']) !!}</th>
+                <th>{!! formatAmount($sums[$month]['incomes']) !!}</th>
+                <th></th>
+                <th></th>
+                <th></th>
             </tr>
-            <tr style='color: red; font-weight: bold'>
-                <td>
+            <tr class='table-danger'>
+                <th>
                     {{ endOfMonth($year, $month) }}
-                </td>
-                <td>Saldo</td>
-                <td></td>
-                <td>{!! formatAmount($sums[$month]['balance']) !!}</td>
-                <td></td>
-                <td></td>
-                <td></td>
-                <td></td>
+                </th>
+                <th>Saldo</th>
+                <th></th>
+                <th>{!! formatAmount($sums[$month]['balance']) !!}</th>
+                <th></th>
+                <th></th>
+                <th></th>
+                <th></th>
             </tr>
             <tr>
                 @for ($i = 0; $i < 8; $i++)
diff --git a/resources/views/layout/forms/person.blade.php b/resources/views/layout/forms/person.blade.php
index f4ad3f0..ee6ee9e 100644
--- a/resources/views/layout/forms/person.blade.php
+++ b/resources/views/layout/forms/person.blade.php
@@ -2,7 +2,7 @@
 
 @section('subnav')
     <li class="nav-item">
-      <a href="{{ url()->previous() }}" class="btn btn-outline-primary">Zurück</a>
+      <a href="{{ url()->previous() }}" class="btn btn-outline-secondary">Zurück</a>
     </li>
 @endsection
 
@@ -129,8 +129,24 @@
                 {{-- Create empty input field for a new member state record. --}}
                 @if (!$person->isMember())
                     <tr>
-                        <td>{{ Form::date('memberState[0][joining_date]') }}</td>
-                        <td>{{ Form::date('memberState[0][leaving_date]') }}</td>
+                        <td>
+                            {{
+                                Form::date(
+                                    'memberState[0][joining_date]',
+                                    null,
+                                    ['class' => 'form-control']
+                                )
+                            }}
+                        </td>
+                        <td>
+                            {{
+                                Form::date(
+                                    'memberState[0][leaving_date]',
+                                    null,
+                                    ['class' => 'form-control']
+                                )
+                            }}
+                        </td>
                     </tr>
                 @endif
             </table>
diff --git a/resources/views/layout/forms/projects.blade.php b/resources/views/layout/forms/projects.blade.php
index 154853d..e009b9c 100644
--- a/resources/views/layout/forms/projects.blade.php
+++ b/resources/views/layout/forms/projects.blade.php
@@ -1,7 +1,7 @@
 @extends('layout.master')
 
 @section('subnav')
-    <a href='{{ url()->previous() }}' class='btn btn-outline-primary'>Zurück</a>
+    <a href='{{ url()->previous() }}' class='btn btn-outline-secondary'>Zurück</a>
 @endsection
 
 @section('content')
diff --git a/resources/views/people/delete.blade.php b/resources/views/people/delete.blade.php
index 1ab59b2..1f181e1 100644
--- a/resources/views/people/delete.blade.php
+++ b/resources/views/people/delete.blade.php
@@ -4,7 +4,7 @@
 
 @section('subnav')
   <li class="nav-item">
-    <a href="{{ url()->previous() }}" class="btn btn-outline-primary">Zurück</a>
+    <a href="{{ url()->previous() }}" class="btn btn-outline-secondary">Zurück</a>
   </li>
 @endsection
 
@@ -15,7 +15,8 @@
         @if ($person->isEven())
             <div class="alert alert-danger">
               <p>Soll <b>{{ $person->fullName() }}</b>  wirklich gelöscht werden?</p>
-              <button type="submit" id="submit">Ja</button>
+              <button class='btn btn-primary' type="submit" id="submit">Ja</button>
+              <a href="{{ url()->previous() }}" class="btn btn-outline-secondary">Nein</a>
             </div>
         @else
             <div class="alert alert-warning">
diff --git a/resources/views/personTargets/delete.blade.php b/resources/views/personTargets/delete.blade.php
index 90065fe..0baa633 100644
--- a/resources/views/personTargets/delete.blade.php
+++ b/resources/views/personTargets/delete.blade.php
@@ -3,32 +3,35 @@
 @section('title', 'Zahlungsverflichtung löschen')
 
 @section('subnav')
-    <a href='{{ url()->previous() }}'>Zurück</a>
+    <a href='{{ url()->previous() }}' class='btn btn-outline-secondary'>Zurück</a>
 @endsection
 
 @section('content')
     <h2>@yield('title')</h2>
-    <form action='/targets/{{ $personTarget->id }}' method='post'>
+    <form action='/targets/{{ $personTarget->id }}' method='post' class='mt-4 text-center'>
         {{ method_field('delete') }}
         {{ csrf_field() }}
-        <p>Soll folgende Zahlungsverpflichtung wirklich gelöscht werden?</p>
+        <div class='alert alert-danger'>
+            <p>Soll folgende Zahlungsverpflichtung wirklich gelöscht werden?</p>
 
-        <table border='1'>
-            <tr>
-                <th>Datum</th>
-                <th>Position</th>
-                <th>Person / Firma</th>
-                <th>Betrag</th>
-            </tr>
-            <tr>
-                <td>{{ formatDate($personTarget->date) }}</td>
-                <td>{{ $personTarget->reference }}</td>
-                <td>{{ $personTarget->person->fullName() }}</td>
-                <td>{{ $personTarget->signedAmount() }}</td>
-            </tr>
-        </table>
+            <table class='table'>
+                <tr>
+                    <th>Datum</th>
+                    <th>Position</th>
+                    <th>Person / Firma</th>
+                    <th>Betrag</th>
+                </tr>
+                <tr>
+                    <td>{{ formatDate($personTarget->date) }}</td>
+                    <td>{{ $personTarget->reference }}</td>
+                    <td>{{ $personTarget->person->fullName() }}</td>
+                    <td>{{ $personTarget->signedAmount() }}</td>
+                </tr>
+            </table>
 
-        <button type="submit" id="submit">Ja</button>
+            <button class='btn btn-primary' type="submit" id="submit">Ja</button>
+            <a href="{{ url()->previous() }}" class="btn btn-outline-secondary">Nein</a>
+        </div>
     </form>
 @endsection
 
diff --git a/resources/views/personTargets/index.blade.php b/resources/views/personTargets/index.blade.php
index 9ca7dab..1a5a25f 100644
--- a/resources/views/personTargets/index.blade.php
+++ b/resources/views/personTargets/index.blade.php
@@ -17,7 +17,7 @@
             <th>Soll</th>
             <th>Ist</th>
             <th>Differenz</th>
-            <th>Aktion</th>
+            <th>Aktionen</th>
         </tr>
         <tr>
             <th></th>
@@ -38,8 +38,20 @@
                 <td>{!! formatAmount($personTarget->difference()) !!}</td>
                 <td>
                     <div class="btn-group" role="group" aria-label="Basic example">
-                      <a href='/targets/{{ $personTarget->id }}/edit' class="btn btn-success"><i class="fas fa-edit"></i></a>
-                      <a href='/targets/{{ $personTarget->id }}/delete' class="btn btn-danger"><i class="fas fa-trash"></i></a>
+                        <a href='/targets/{{ $personTarget->id }}/edit'
+                           class='btn btn-success'
+                           data-toggle='tooltip'
+                           data-placement='bottom'
+                           title='Bearbeiten'>
+                            <i class="fas fa-edit"></i>
+                        </a>
+                        <a href='/targets/{{ $personTarget->id }}/delete'
+                           class='btn btn-danger'
+                           data-toggle='tooltip'
+                           data-placement='bottom'
+                           title='Löschen'>
+                            <i class="fas fa-trash"></i>
+                        </a>
                     </div>
                 </td>
             </tr>
@@ -75,8 +87,20 @@
                 <td>{!! formatAmount($personTarget->difference()) !!}</td>
                 <td>
                     <div class="btn-group" role="group" aria-label="Basic example">
-                      <a href='/targets/{{ $personTarget->id }}/edit' class="btn btn-success"><i class="fas fa-edit"></i></a>
-                      <a href='/targets/{{ $personTarget->id }}/delete' class="btn btn-danger"><i class="fas fa-trash"></i></a>
+                        <a href='/targets/{{ $personTarget->id }}/edit'
+                           class='btn btn-success'
+                           data-toggle='tooltip'
+                           data-placement='bottom'
+                           title='Bearbeiten'>
+                            <i class="fas fa-edit"></i>
+                        </a>
+                        <a href='/targets/{{ $personTarget->id }}/delete'
+                           class='btn btn-danger'
+                           data-toggle='tooltip'
+                           data-placement='bottom'
+                           title='Löschen'>
+                            <i class="fas fa-trash"></i>
+                        </a>
                     </div>
                 </td>
             </tr>
diff --git a/resources/views/projects/delete.blade.php b/resources/views/projects/delete.blade.php
index d87786f..d25d66c 100644
--- a/resources/views/projects/delete.blade.php
+++ b/resources/views/projects/delete.blade.php
@@ -3,16 +3,21 @@
 @section('title', 'Projekt löschen')
 
 @section('subnav')
-    <a href='{{ url()->previous() }}'>Zurück</a>
+    <a href='{{ url()->previous() }}' class='btn btn-outline-secondary'>Zurück</a>
 @endsection
 
 @section('content')
-    <form action='/projects/{{ $project->id }}' method='post'>
+    <form action='/projects/{{ $project->id }}' method='post' class='mt-4 text-center'>
         {{ method_field('delete') }}
         {{ csrf_field() }}
-        <p>Soll das Projekt "<b>{{ $project->name }}</b>"  wirklich gelöscht
-        werden?</p>
-        <button type="submit" id="submit">Ja</button>
+        <div class='alert alert-danger'>
+            <p>
+                Soll das Projekt <b>{{ $project->name }}</b> wirklich
+                gelöscht werden?
+            </p>
+            <button class='btn btn-primary' type="submit" id="submit">Ja</button>
+            <a href="{{ url()->previous() }}" class="btn btn-outline-secondary">Nein</a>
+        </div>
     </form>
 @endsection