Removed all mr-5, mb-5 and basis tailwind classes.

Will soon remove tailwind totally.

bookie/src/app/guest-book/guest-book-list/guest-book-list.component.html

@@ -14,7 +14,7 @@
   </mat-card-header>
   <mat-card-content>
     <form [formGroup]="form" class="flex flex-col">
-      <div class="flex flex-row justify-around content-start items-start">
+      <div class="row-container">
         <mat-form-field class="flex-auto">
           <mat-label>Date</mat-label>
           <input matInput [matDatepicker]="date" (focus)="date.open()" formControlName="date" autocomplete="off" />