fix color and translation

src/components/post-form/post-form.tsx

@@ -391,7 +391,7 @@ const PostFormTable = ({ closeForm, postCid }: { closeForm: () => void; postCid:
             <td>{t('board')}</td>
             <td>
               <select onChange={(e) => setSubmitStore({ subplebbitAddress: e.target.value })} value={subplebbitAddress}>
-                <option value=''>--{t('no_board_selected')}--</option>
+                <option value=''>{t('choose_one')}</option>
                 {isInAllView &&
                   defaultSubplebbitAddresses.map((address: string) => (
                     <option key={address} value={address}>

src/views/board/board.module.css

@@ -1,4 +1,5 @@
 .footer {
+  color: var(--post-mobile-abbr-text-color);
   padding: 15px 0 10px 5px;
 }