Correcting teacher:PHPz
Correction status:qualified
Teacher's comments:
html代码
<header>
<h2 class="title">小刘博客</h2>
<button onclick="showModal()">登录</button>
</header>
<!-- 模态框 -->
<div class="modal">
<!-- 1. 半透明的遮罩层 -->
<div class="modal-bg" onclick="closeModal()"></div>
<!-- 2. 弹层表单 -->
<form action="" class="modal-form">
<fieldset style="display: grid; gap: 1em">
<legend>用户登录</legend>
<input type="text" name="username" placeholder="请输入用户名" />
<input type="password" name="password" placeholder="不少于6位" />
<input type="email" name="email" placeholder="user@email.com" />
<button>登录</button>
</fieldset>
</form>
</div>
css代码
/* 初始化 */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
/* 清除所有元素的外边距和内边距
将盒子大小计算方式改为到盒子边框(不用考虑间距、边框等问题的影响) */
}
/* 头部 */
header {
background-color: #0d63fe;
padding: 1em 2em;
display: flex;
}
/* logo */
header .title {
font-weight: lighter;
color: white;
/* 文字间距 */
letter-spacing: 2px;
/* 阴影 */
text-shadow: 1px 1px 3px #555;
}
/* 登录按钮 */
header button {
margin-left: auto;
width: 5em;
border: none;
/* 圆角 */
border-radius: 0.3em;
}
header button:hover {
cursor: pointer;
background-color: brown;
color: #fff;
box-shadow: 0 0 5px #fff;
/* 过度时间 */
transition: 0.3s;
}
/* 模态框 */
.modal .modal-form fieldset {
height: auto;
background-color: #fcfcfc;
border: none;
padding: 1em 3em 3em;
box-shadow: 0 0 5px #888;
}
/* 模态框表单标题 */
.modal .modal-form fieldset legend {
padding: 7px 1.5em;
background-color: #0d63fe;
color: white;
text-align: center;
margin: 0 auto;
}
.modal .modal-form fieldset input {
height: 3em;
padding-left: 1em;
outline: none;
border: 1px solid #ddd;
font-size: 14px;
}
/* :focus: 表单控件,获取焦点时的样式 */
.modal .modal-form fieldset input:focus {
box-shadow: 0 0 8px #888;
border: none;
}
.modal .modal-form fieldset button {
background-color: #0d63fe;
color: white;
border: none;
height: 3em;
font-size: 16px;
height: 2.5em;
}
.modal .modal-form fieldset button:hover {
background-color: coral;
cursor: pointer;
}
/* 定位 */
.modal .modal-form {
position: fixed;
width: 300px;
top: 10em;
/* 任何时候都居中 */
left: 50%;
margin-left: -150px;
}
/* 遮罩 */
.modal .modal-bg {
position: fixed;
/* 坐标全部清0,请定位到四个顶点 */
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: rgb(0, 0, 0, 0.5);
}
.modal {
display: none;
}
效果图