кнопки с подсказками

Делаем разметку HTML для наших кнопок: <ul> <li><a href="#" class="round green">Login<span class="round">That is, if you already have an account.</span></a></li> <li><a href="#" class="round red">Sign Up<span class="round">But only if you really, really want to. </span></a></li> <li><a...