第一模块
课程信息
课程名称:前端工程师
课程章节:过渡项目实战2
课程讲师:
第二模块
课程内容:
<!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>过渡效果实战课2</title>
<style>
*{
margin: 0;
padding: 0;
}
.box{
width: 508px;
height: 107px;
margin:40px auto;
}
.box ul{
list-style: none;
}
.box ul li{
width: 107px;
height: 107px;
/* 子绝父相 */
position: relative;
float: left;
margin-right: 20px;
}
.box ul li::before{
content: '';
display: block;
width: 107px;
height: 107px;
/* 旋转的是伪元素::before 而不是li */
transform: rotate(0);
transition: transform 1s ease 0s;
}
.box ul li:nth-child(1)::before{
background-image: url(images/a_1.png);
}
.box ul li:nth-child(2)::before{
background-image: url(images/a_2.png);
}
.box ul li:nth-child(3)::before{
background-image: url(images/a_3.png);
}
.box ul li:nth-child(4)::before{
background-image: url(images/a_4.png);
}
.box ul li img{
position: absolute;
width: 60px;
height: 60px;
top: 50%;
margin-top: -30px;
left: 50%;
margin-left: -30px;
transition: transform 1s ease 0s;
}
/* 背景圆环旋转一周 */
/* 当每个li被触碰的时候,里面的before进行旋转 */
.box ul li:hover::before{
transform: rotate(360deg);
}
/* 中心图标放大1.2倍 */
.box ul li:hover img{
transform: scale(1.2);
}
</style>
</head>
<body>
<div class="box">
<ul>
<li>
<img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="images/icon1.svg" alt="">
</li>
<li>
<img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="images/icon2.svg" alt="">
</li>
<li>
<img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="images/icon3.svg" alt="">
</li>
<li>
<img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="images/icon4.svg" alt="">
</li>
</ul>
</div>
</body>
</html>
学习收获与心得:由简入奢易,由奢入简难,做过一个看似光彩的项目,心理再难放平稳,去踏实的做一个看上去不那么酷的`产品。这种浮躁心态会严重影响今后的职业发展和成长。
光鲜靓丽的项目被各种老大关注,是难容忍犯错误的,傻瓜都知道犯错误在成长之初的重要性。
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