如何在Html ActionLink中设置工具提示的样式

<a href="#" title="这是工具提示内容" class="tooltip">链接</a>

<style>
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip::after {
  content: attr(title);
  position: absolute;
  background-color: #000;
  color: #fff;
  padding: 5px;
  border-radius: 5px;
  white-space: nowrap;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip:hover::after {
  visibility: visible;
  opacity: 1;
}
</style>