diff --git a/site/addSensor.php b/site/addSensor.php
index 8707f40..e1004d5 100644
--- a/site/addSensor.php
+++ b/site/addSensor.php
@@ -42,7 +42,7 @@
 					</tr>
 				</tbody>
 			</table>
-			<input type="submit" class="btn btn-dark" value="Ajouter le capteur"/>
+			<input type="submit" class="btn btn-dark btn-lg btn-block" style="margin-top:20px;" value="Ajouter le capteur"/>
 		</form>
 	</div>
 </div>
diff --git a/site/formConnexion.php b/site/formConnexion.php
index 6aa5c87..b9b32ae 100644
--- a/site/formConnexion.php
+++ b/site/formConnexion.php
@@ -14,7 +14,7 @@
 					</tr>
 				</tbody>
 			</table>
-			<input type="submit" class="btn btn-dark" value="Se connecter"/>
+			<input type="submit" class="btn btn-dark btn-lg btn-block" style="margin-top:20px;" value="Se connecter"/>
 		</form>
 	</div>
 </div>
\ No newline at end of file
diff --git a/site/formInscription.php b/site/formInscription.php
index ad27012..1a796e8 100644
--- a/site/formInscription.php
+++ b/site/formInscription.php
@@ -30,7 +30,7 @@
 					</tr>
 				</tbody>
 			</table>
-			<input type="submit" class="btn btn-dark" value="S'inscrire"/>
+			<input type="submit" class="btn btn-dark btn-lg btn-block" style="margin-top:20px;" value="S'inscrire"/>
 		</form>
 	</div>
 </div>
--
libgit2 0.21.2