Modifs de style suite au thème sombre

Front/skydivelogs-app/src/app/user-profile/user-profile.component.html

@@ -1,6 +1,6 @@
-<div class="content" style="display: flex; flex-direction: row;">
+<div class="content containerFlex">
 
-  <fieldset style="width: 50%;">
+  <fieldset class="contentFlex">
     <legend>Profile</legend>
     <form [formGroup]="userForm" (ngSubmit)="onSubmit(userForm.value)">
       <p>
@@ -45,7 +45,7 @@
     </form>
   </fieldset>
 
-  <fieldset style="width: 50%;">
+  <fieldset class="contentFlex">
     <legend>Images</legend>
     <app-list-of-images></app-list-of-images>
   </fieldset>