这就是今天要实现的效果图（颜色提取推荐使用snipaste）
代码（仅供参考，不喜勿喷， 可以在评论区展示作品）
<html><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><style>/* Write your CSS code here */body {background-color: white;display: flex;}.content {text-align: center;width: 840px;height: 600px;margin: auto;background-image: linear-gradient(rgb(241, 115, 198), rgb(255, 106, 149));border-radius: 3%;border: 4px solid black;}header {margin-top: 60px;color: white;font-size: 10px;}main {color: white;}.span1 {font-size: 140px;font-weight: bolder;margin-bottom: 0px;}p {margin-top: 0px;font-size: 15px;}footer {margin-top: 50px;font-size: 11px;color: white;}.span2 {text-decoration: underline;}</style></head><body><div class="content"><header>UIDesignDaily</header><main><span class="span1">404</span><p>The link you clicked may be broken or the<br>page may have been removed.</p></main><footer>Visit the <span class="span2">home_page</span> or <span class="span2">contact</span> me</footer></div></body></html>
