How do the flex-start and stretch values for the align-items property differ?
.container { height: 500px; padding: 10px; margin: 50px auto; background: #eee; display: flex; align-items: flex-end}.container .box { padding: 10px; width: 200px; height: 200px; background-color: #fff;}<div class="container"><div class="box"></div></div>