定位实战:模态框
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2022-05-01 21:52:31
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>定位实战:模态框</title>
</head>
<body>
<header>
<h2 class="title">这是一个测试博客</h2>
<button onclick="document.querySelector('.modal').style.display='block'">
登录
</button>
</header>
<!-- 模态框 -->
<div class="modal">
<!-- 1. 半透明遮罩 -->
<div class="modal-bg" onclick="this.parentNode.style.display='none'"></div>
<!-- 2.弹层表单 -->
<!-- <form action="" class="modal-form">
<fieledset style="display: grid; gap: 1em">
<legend>用户登录</legend>
<input type="email" name="email" />
<input type="password" name="password" placeholder="**********" />
<button>登录</button>
</fieledset>
</form> -->
<form action="" class="modal-form">
<fieldset style="display: grid; gap: 1em">
<legend>用户登录</legend>
<input type="email" name="email" placeholder="user@email.com" />
<input type="password" name="password" placeholder="不少于6位" />
<button>登录</button>
</fieldset>
</form>
</div>
</body>
</html>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
/* 顶部样式 */
header {
background-color: lightgreen;
display: flex;
padding: 0.5em 1em;
}
header.title {
font-weight: lighter;
font-style: italic;
color: white;
text-shadow: 1px 1px 1px #444;
letter-spacing: 1px;
}
header button {
margin-left: auto;
width: 5em;
border: none;
border-radius: 0.5em;
}
header button:hover {
cursor: pointer;
background-color: coral;
color: white;
box-shadow: 0 0 8px #fff;
transition: 0.3s;
}
/* 模态框表单 */
.modal.modal-form fieldset {
padding: 5px 1em;
background-color: lightcyan;
border: none;
padding: 2em;
box-shadow: 0 0 5px #888;
}
/* 模态框表单标题 */
.modal.modal-form fieldset legend {
padding: 5px 1em;
background-color: rebeccapurple;
color: white;
}
/* 表单:固定定位 */
.modal .modal-form {
position: fixed;
top: 10em;
left: 20em;
right: 20em;
}
/* 遮罩:固定定位 */
.modal .modal-bg {
position: fixed;
height: 100px;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: red;
}
/* 初始化时,将模态框弹出隐藏 */
.modal {
display: none;
}
</style>
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