css实现弧形头部效果-html代码-BFW代码库

代码语言：html

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">

<title>Responsive Curved Header with SVG</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">
<style>
    @keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

.fadeInClass {
  animation: fadeIn 1s ease-out forwards;
}

.text-center {
  text-align: center;
}

.text-2 {
  font-size: 1.8rem;
}

.margin-bottom--3 {
  margin-bottom: 3rem;
}

.margin-y--5 {
  margin-top: 5rem;
  margin-bottom: 5rem;
}

.page-container {
  max-width: 100%;
  margin: 60px auto 0;
  background: white;
}

.content-container {
  width: 726px;
  margin: 0 auto;
}
@media (max-width: 726px) {
  .content-container {
    width: 100%;
    padding: 0 1rem;
  }
}

.navbar {
  width: 100%;
  height: 60px;
  box-shadow: 0px 3px 3px rgba(0, 0, 0, 0.11);
  position: fixed;
  top: 0;
  z-index: 1000;
  background: white;
}

.banner {
  height: 368px;
  overflow: hidden;
  position: relative;
}
@media (max-width: 726px) {
  .banner {
    height: 300px;
  }
}
@media (max-width: 400px) {
  .banner {
    height: 200px;
  }
}
.banner .banner_img-wrapper {
  position: relative;
  width: 100%;
  height: 99%;
  display: block;
}
.banner .banner_img-wrapper:after {
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  opacity: .7;
  content: "";
  width: 100%;
  height: 100%;
  background-image: linear-gradient(165deg, #00274C, #445339, #FFCB05);
}
.banner .banner_text {
  margin: -288px auto 0;
  max-width: 726px;
  position: relative;
  color: white;
  opacity: 0;
  transform: translateY(5px);
  animation: fadeIn 1s ease-out forwards;
}
@media (max-width: 726px) {
  .banner .banner_text {
    margin: -240px auto 0;
    padding: 0 1rem;
  }
}
@media (max-width: 400px) {
  .banner .banner_text {
    margin: -190px auto 0;
    text-align: center;
  }
}
.banner .banner_img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  object-position: center 10%;
}
.banner .curve-mask {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 7vw;
}

.subject-links {
  padding-left: 0;
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.how-it-works {
  display: flex;
  justify-content: center;
}
.how-it-works .plus {
  margin-top: 2rem;
}
.how-it-works section {
  max-width: 30%;
  text-align: center;
}

.btn {
  padding: .5rem 1rem;
  border-radius: 25px;
  height: 30px;
  text-decoration: none;
  color: #00274C;
}

.btn-white {
  background: white;
}

.btn-shadow {
  box-shadow: 0px 0px 30px 3px rgba(0, 0, 0, 0.11);
}

.btn-subject {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 144px;
  padding: .5rem;
  margin: .5rem;
}

  </style>

</head>
<body translate="no">
<nav class="navbar"></nav>
<div class="page-container">
<div class="banner">
<div class="banner_img-wrapper">
<img class="banner_img" src="https://ssw.umich.edu/sites/all/themes/ssw/images/ssw-meta-og-image.jpg" alt="5 women smiling and laughing, wearing School of Social Work t-shirts">
</div>
<div class="banner_text">
<h1>#HereToLearn</h1>
<p>Find out what motivates our students</p>
<a href="#" class="btn btn-white btn-shadow">Learn more</a>
</div>
<svg class="curve-mask" preserveAspectRatio="none" viewBox="0 0 1024 96" xmlns="http://www.w3.org/2000/svg">
<g id="Curve-Experiments" fill="none" fill-rule="evenodd">
<g id="Curve-A" transform="translate(0 -349)" fill="#FFF" fill-rule="nonzero">
<path d="M0 398.663c470.834 145.75 491.222-163.652 1024 0v46.08H0v-46.08z" id="mo-curve" />
</g>
</g>
</svg>
</div>
<div class="content-container">
<p class="text-center text-2 margin-y--5">
Michigan Online is your gateway to online learning opportunities with the University of Michigan
</p>
<ul class="subject-links" data-scroll-point-1>
<li class="subject-link"><a href="#" class="btn btn-white btn-shadow btn-subject">Arts & Culture</a></li>
<li class="subject-link"><a href="#" class="btn btn-white btn-shadow btn-subject">Business</a></li>
<li class="subject-link"><a href="#" class="btn btn-white btn-shadow btn-subject">Data Science</a></li>
<li class="subject-link"><a href="#" class="btn btn-white btn-shadow btn-subject">Education</a></li>
<li class="subject-link"><a href="#" class="btn btn-white btn-shadow btn-subject">Health</a></li>
<li class="subject-link"><a href="#" class="btn btn-white btn-shadow btn-subject">Technology</a></li>
<li class="subject-link"><a href="#" class="btn btn-white btn-shadow btn-subject">Science</a></li>
<li class="subject-link"><a href="#" class="btn btn-white btn-shadow btn-subject">Social Sciences</a></li>
</ul>
<section class="margin-y--5">
<h2 class="text-center margin-bottom--3">How It Works</h2>
<div class="how-it-works">
<section data-target-hiw-1 class="how-it-works__col-1">
<svg width="84" height="85" viewBox=&q.........完整代码请登录后点击上方下载按钮下载查看

css实现弧形头部效果

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