IMPROVEMENT: Text edition should have a clear exit option (see #371)

Author: Samellaperes

frontend/src/components/EditableText.jsx

@@ -124,7 +124,11 @@ function EditableText({id, text, rubric, isPartOf, links, fragment, setFragment,
       <textarea className="form-control" type="text" rows="5" autoFocus
         value={editedText} onChange={handleChange} onBlur={handleBlur}
       />
-      <button type="button" onMouseDown={handleBlur}>
+      <button
+        type="button"
+        className="btn btn-success btn-sm mt-1"
+        onMouseDown={handleBlur}
+      >
         Save
       </button>
     </form>