add labels on buttons (fix #311)

templates/settings/personal-form.php

@@ -240,8 +240,7 @@ $labelReset = 'Reset to default';
 
     <div class="section">
         <?php if (!$_['force']): ?>
-            <button id="side-menu-save" class="btn btn-info">
-                <?php p($l->t('Save')); ?>
+            <button id="side-menu-save" class="btn btn-info" arial-label="<?php p($l->t('Save')); ?>">
                 <progress max="100" value="0" id="side-menu-save-progress"></progress>
             </button>
 
@@ -255,7 +254,7 @@ $labelReset = 'Reset to default';
                 <?php p($l->t('You like this app and you want to support me?')); ?>
 
                 <a style="margin-left: 10px" target="_blank" href="https://www.buymeacoffee.com/deblan" rel="noopener">
-                    <button>
+                    <button arial-label="<?php p($l->t('Buy me a coffee ☕')); ?>">
                         <?php p($l->t('Buy me a coffee ☕')); ?>
                     </button>
                 </a>