How can I change the font size of the text inside a button? I'm using Materialize.
<a class="waves-effect waves-light grey darken-3 btn"><i class="material-icons left">featured_play_list</i>Ver Lista de Compras</a>
<a class="waves-effect waves-light grey darken-3 btn"><i class="material-icons left">update</i>Alterar Produto</a>
<a class="waves-effect waves-light grey darken-3 btn"><i class="material-icons left">add_circle</i>Cadastrar Produto</a>
<a class="waves-effect waves-light grey darken-3 btn"><i class="material-icons left">delete</i>Excluir Produto</a>
Thanks.