1、新建html文档。
3、书写css代码。html, body { height: 100%; background-color多唉捋胝: #F3F3F3; font-size: 1rem; font-family: Helvetica, "Helvetica Neue", Arial, sans-serif; letter-spacing: 0; word-wrap: break-word; }* { outline: none; box-sizing: border-box; margin: 0; padding: 0; }#photo_box { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; }#photo_box>div { padding: 15px; height: 100vh; position: relative; }#photo_box>div>div { height: 100%; position: relative; }#photo_box>div>div>div { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: #ffffff; border-radius: 5px; box-shadow: 0 0 5px #CCC; text-align: center; z-index: 1; }.div1 { padding-top: 9rem; font-size: 6rem; }
5、代码整体结构。
