如何垂直对齐骨架按钮和h1？

<div class="container">
  <button class="skeleton-button">骨架按钮</button>
  <h1>标题</h1>
</div>

.container {
  display: flex;
  align-items: center;
}

<div class="container">
  <button class="skeleton-button">骨架按钮</button>
  <h1>标题</h1>
</div>

.container {
  display: grid;
  align-items: center;
}

<div class="container">
  <button class="skeleton-button">骨架按钮</button>
  <h1>标题</h1>
</div>

.container {
  position: relative;
}

.skeleton-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}