今天复习了CSS3新增属性,并做了一些demo,案例如下,一起学习… (请忽略兼容性问题和代码顺序规范问题)兼容问题可通过caniuse.com网站查询并加前缀解决 1.鼠标经过图片放大 核心语法: img:hover { /*鼠标...
今天复习了CSS3新增属性,并做了一些demo,案例如下,一起学习…
(请忽略兼容性问题和代码顺序规范问题)兼容问题可通过caniuse.com网站查询并加前缀解决
核心语法:
img:hover {
/*鼠标经过时,大小变为原来1.1倍*/
transform:scale(1.1);
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS3 demo1 鼠标经过图片fda</title>
<style type="text/css">
body {
text-align: center;
}
img {
border-radius: 50%;
/*过渡效果:0.5s过渡完成全部属性*/
/* 属性兼容性查询 caniuse.com */
transition: all .5s;
-webkit-transition: all .5s;
-o-transition: all .5s;
cursor: pointer;
}
img:hover {
/*鼠标经过时,大小变为原来1.1倍*/
transform:scale(1.1);
}
</style>
</head>
<body>
![](./panda.jpeg)
</body>
</html>
核心语法:
a:link 未访问的链接的状态
a:visited 以访问的链接状态
a:hover 鼠标移动到链接上时的链接状态
a:active 选定(点击,鼠标按下未松开)时的链接状态
根据点击链接时,链接状态的变化可知,书写顺序不可变,记忆方法:LoVe HAte
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo2 a标签的动态伪类选择器+input状态选择器</title>
<style>
/*a标签的动态伪类选择器*/
a:link{
color: #666;
}
a:visited{
color: #f00;
}
a:hover{
color:#000;
}
a:active{
color:#0f0;
}
/*ui元素状态选择器,用于表单中*/
input:enabled{
background-color: #0f0;
}
input:disabled{
background-color: #f00;
}
</style>
</head>
<body>
<a href="">demo2</a>
<input type="text"><br/>
<input type="text" disabled>
</body>
</html>
核心语法:
.demo li:first/last-child 选中 . demo下的第一个/最后一个 li
.demo li:nth-child($$) 选中 . demo下的第满足$$要求的 li
.demo li:nth-of-type(3) 选中 . demo下的第三个的 li(此时本例中的
元素为第一个元素)
.demo li:empty 选中 . demo下为空的li标签
注意:结构中的
标签只有在验证.demo li:nth-of-type(3) 时添加,其他时候去掉;验证时按注释的序号一段一段验证
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo3 结构伪类选择器</title>
<style>
*{
padding: 0;
margin: 0;
}
.clearfix{
clear: both;
overflow: auto;
}
.demo{
width: 300px;
margin: 100px auto;
padding: 10px;
border: 1px solid #ccc;
}
.demo li{
float: left;
width:20px;
padding: 2px;
margin-right: 4px;
list-style: none;
border:1px solid #ccc;
}
.demo a{
display: block;
width: 20px;
height: 20px;
text-align: center;
text-decoration: none;
border-radius: 10px;
background-color: #f36;
}
/*1、 第一个元素和最后一个元素加相应样式*/
.demo li:first-child{
background-color: #0f0;
}
.demo li:last-child{
background-color: #00f;
}
/*2、 奇偶行隔行设置相应样式 :nth-child()*/
.demo li:nth-child(2n){ /*偶数行背景色为黄色*/
background-color: yellow;
}
.demo li:nth-child(2n+1){ /*奇数行背景色为蓝色*/
background-color: blue;
}
/*3、 按要求行数设置样式*/
.demo li:nth-child(n+5){
background-color: pink;
}
.demo li:nth-last-child(3){ /*选中从后向前数第三个标签并设置样式*/
background-color: red;
}
/*4、 nth-of-type 限制显示的标签只能为li,其他标签不算*/
.demo li:nth-child(3){
background-color: yellow;
}
.demo li:nth-of-type(3){
background-color: #d3a0a3;
}
.demo li:last-of-type{
background-color: #0f0;
}
/*5、 标签内为空时选中该标签*/
.demo li:empty{
background-color: #d3a0a3;
}
</style>
</head>
<body>
<div class="demo">
<ul class="clearfix">
0
<a href="">1</a> <a href="">2</a> <a href="">3</a> <a href="">4</a> <a href="">5</a> <a href="">6</a> <a href="">7</a> <a href="">8</a> <a href="">9</a> <a href="">10</a>
</div>
</body>
</html>
核心语法:
.demo::first-letter 选中文中第一个字
.demo::first-line 选中文中第一行
.demo01::before 在选中的元素前面加一个伪元素
.demo01::after 在选中的元素后面加一个伪元素
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo4 CSS伪元素</title>
<style>
.demo{
width: 300px;
margin: 50px auto;
padding:10px;
border:1px solid #ccc;
}
/*首字下沉*/
.demo::first-letter{
float:left;
font-size: 40px;
font-weight: bold;
}
/*首行突出显示*/
.demo::first-line{
color:#f66;
}
/*demo01: 伪元素实现结构样式分离*/
.demo01{
width: 600px;
margin:10px auto;
padding:10px;
color:blue;
font-size: 40px;
text-align: center;
border:1px solid #ccc;
}
.demo01::before{
content:url(./timg.jpg);
display:block;
}
.demo01::after{
content:url(./timg1.jpg); /*content属性必须有,可为空*/
display:block;
}
</style>
</head>
<body>
<div class="demo">
伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西,伪元素:before和:after可以做很多东西。
</div>
<div class="demo01">
玩转CSS3新特性
</div>
</body>
</html>
核心语法:
border-radius:左上角 右上角 右下角 左下角(左上角开始顺时针方向)
参数可为 px 和 %形式
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo5 border-radius</title>
<style>
.demo{
width: 100px;
height: 200px;
margin:50px auto;
background-color: #f66;
border: 1px solid #ccc;
border-radius:100px 0px 0px 100px;
}
</style>
</head>
<body>
<div class="demo">
</div>
</body>
</html>
技术核心:伪元素 + 定位 + border的巧妙使用
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>画三角形</title>
<style>
.demo{
position:relative;
width: 300px;
height: 25px;
margin: 50px auto;
padding:10px;
color: #fff;
background-color:#6a6;
border-radius: 5px;
}
.demo::before{
position: absolute;
left: -10px;
top: 14px;
content: '';
border-top: 10px solid transparent;
border-left: 0px solid #6a6;
border-bottom: 10px solid transparent;
border-right: 10px solid #6a6;
}
</style>
</head>
<body>
<div class="demo">
hello everyone!
</div>
</body>
</html>
核心技术: 伪元素 + 定位 + border的巧妙使用 + transform: rotate(45deg)旋转角度
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo7 画菱形和平行四边形</title>
<style>
.diamond{
width: 200px;
height: 200px;
margin:100px auto;
background-color:#6a6;
/*transform有浏览器兼容问题,使用caniuse.com查询以及使用autoprefixer兼容性前缀插件*/
/*rotate(旋转角度)*/
-webkit-transform: rotate(45deg);
-o-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
transform: rotate(45deg);
}
.parallel{
width: 200px;
height: 100px;
margin:100px auto;
background-color:#6a6;
/*skew(倾斜角度) 第一个参数代表X轴倾斜,第二个参数代表Y轴倾斜*/
-webkit-transform: skew(20deg,20deg);
-o-transform: skew(20deg,20deg);
-moz-transform: skew(20deg,20deg);
-ms-transform: skew(20deg,20deg);
transform: skew(20deg,20deg);
}
</style>
</head>
<body>
<div class="diamond">
</div>
<div class="parallel">
</div>
</body>
</html>
核心技术: 伪元素 + 定位 + border的巧妙使用 + transform: rotate(45deg)旋转角度
拆解、拼接图形
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>画五角星</title>
<style>
#star{
width: 0;
height: 0;
border-bottom: 70px solid red;
border-top: 70px solid transparent;
border-left: 100px solid transparent;
border-right: 100px solid transparent;
margin: 50px auto;
-webkit-transform: rotate(35deg);
-o-transform: rotate(35deg);
-ms-transform: rotate(35deg);
-moz-transform: rotate(35deg);
transform: rotate(35deg);
position: relative;
}
#star::before{
content:'';
width: 0;
height: 0;
border-bottom: 80px solid red;
border-left: 30px solid transparent;
border-right: 30px solid transparent;
-webkit-transform: rotate(-35deg);
-o-transform: rotate(-35deg);
-ms-transform: rotate(-35deg);
-moz-transform: rotate(-35deg);
transform: rotate(-35deg);
position: absolute;
top:-45px;
left:-65px;
}
#star::after{
content:'';
border-bottom: 70px solid red;
border-left: 100px solid transparent;
border-right: 100px solid transparent;
-webkit-transform: rotate(-70deg);
-o-transform: rotate(-70deg);
-ms-transform: rotate(-70deg);
-moz-transform: rotate(-70deg);
transform: rotate(-70deg);
position:absolute;
top:4px;
left:-105px;
}
</style>
</head>
<body>
<div id="star">
</div>
</body>
</html>
html lang="en">
<head>
<meta charset="UTF-8">
<title>画六角形</title>
<style>
#star{
width: 0;
height: 0;
margin:100px auto;
border-bottom: 100px solid red;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
position: relative;
}
#star::before{
content:'';
width: 0;
height: 0;
border-top: 100px solid red;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
position: absolute;
top:30px;
left:-50px;
}
</style>
</head>
<body>
<div id="star">
</div>
</body>
</html>
核心技术: 伪元素 + 定位 + border的巧妙使用
拆解、拼接图形
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo9 画五角形、六角形</title>
<style>
#zheng{
width: 50px;
height: 50px;
border-top:50px solid #f00;
border-left:50px solid #0f0;
border-right:50px solid #00f;
border-bottom:50px solid #ff0;
}
#wubian{
width: 54px;
height: 0px;
margin:100px auto;
border-top:50px solid red;
border-left:18px solid transparent;
border-right:18px solid transparent;
position:relative;
}
#wubian::after{
content:'';
width: 0;
height: 0;
border-bottom:35px solid blue;
border-left:45px solid transparent;
border-right:45px solid transparent;
position:absolute;
top:-84px;
left:-18px;
}
#six{
width: 100px;
height: 56px;
margin:100px auto;
background-color: red;
position:relative;
}
#six::before{
content:'';
width: 0;
height: 0;
border-bottom: 28px solid blue;
border-right: 50px solid transparent;
border-left: 50px solid transparent;
position:absolute;
top:-28px;
left:0;
}
#six::after{
content:'';
width: 0;
height: 0;
border-top: 28px solid blue;
border-right: 50px solid transparent;
border-left: 50px solid transparent;
position:absolute;
top:56px;
left:0;
</style>
</head>
<body>
<div id="zheng">
</div>
<div id="wubian">
</div>
<div id="six">
</div>
</body>
</html>
核心技术: 伪元素 + 定位 + transform: rotate(45deg)旋转角度 + border-radius(X轴Y轴)
拆解、拼接图形
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo10 画心型,蛋型</title>
<style>
#heart{
width: 100px;
height: 150px;
margin:100px auto;
background-color: red;
border-radius: 50px 50px 0 0;
transform: rotate(45deg);
position:relative;
}
#heart::after{
content:'';
width: 100px;
height: 150px;
background-color: red;
border-radius: 50px 50px 0 0;
transform-origin:0 100%;
transform: rotate(-90deg);
position:absolute;
top:0;
left:100px;
}
#egg{
width: 126px;
height: 180px;
background-color: #fa3;
margin:100px auto;
border-radius: 50% / 60% 60% 40% 40%; /* / 左边为X轴的角度 / 右边为Y轴的角度*/
}
</style>
</head>
<body>
<div id="heart">
</div>
<div id="egg">
</div>
</body>
</html>
核心技术:伪元素 + 定位 + border-radius(X轴Y轴)+ border巧妙用法
拆解、拼接图形
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo11 画太极阴阳图</title>
<style>
body{
background-color: #ccc;
}
#taiji{
width: 150px;
height: 300px;
margin:100px auto;
border-radius: 50%;
background-color: #fff;
border-left: 150px solid #000; /*border-left + width = height 太极底圆一半黑一半白*/
position:relative;
}
#taiji::before{
content:'';
width: 0;
height:0;
padding:25px;
border-radius: 50%;
border:50px solid #000;
background-color: #fff;
position:absolute;
top:0px;
left:-75px;
}
#taiji::after{
content:'';
width: 0;
height:0;
padding:25px;
border-radius: 50%;
border:50px solid #fff;
background-color: #000;
position:absolute;
top:150px;
left:-75px;
}
</style>
</head>
<body>
<div id="taiji">
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>晚会致辞背景</title>
<style>
#background{
width: 1000px;
height:1200px;
margin:100px auto;
background: url('timg3.jpg') no-repeat;
position: relative;
}
#content{
width: 600px;
height: 400px;
padding:10px;
font-size:20px;
text-align: center;
line-height: 30px;
border-radius: 15px;
box-shadow: 3px 3px 5px #ccc;
background-color: #fff;
opacity:.8;
position:absolute;
top:150px;
left:200px;
}
</style>
</head>
<body>
<div id="background">
<div id="content">
hello everyone!<br/>
hello everyone!<br/>
hello everyone!<br/>
hello everyone!<br/>
hello everyone!<br/>
hello everyone!<br/>
</div>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo13 仿天猫产品展示效果</title>
<style>
body{
background-color: #ccc;
}
#main{
width: 1000px;
margin:100px auto;
clear:both;
}
#main li{
float:left;
width: 240px;
padding:1px;
margin-right: 2px;
list-style: none;
border:1px solid rgba(255, 0 ,0 ,0);
background-color: #fff;
cursor:pointer;
}
#main li:hover{
border:1px solid rgba(255, 0 ,0 ,1);
}
#main li:hover .img img{
opacity: .7;
}
.img img{
width: 240px;
height:200px;
transition: all .5s;
}
.goods_title{
height: 35px;
margin:10px;
color:#666;
overflow: hidden;
}
.price{
margin:10px;
color:red;
}
</style>
</head>
<body>
<div id="main">
<div class="img">
![](timg4.jpg)
</div>
<div class="goods_title">
天猫购物节,一起来狂欢吧!天猫购物节,一起来狂欢吧!
</div>
<div class="price">¥499优惠券</div>
<div class="img">
![](timg5.jpg)
</div>
<div class="goods_title">
天猫购物节,一起来狂欢吧!天猫购物节,一起来狂欢吧!
</div>
<div class="price">¥199优惠券</div>
</div>
</body>
</html>
核心技术:background-image: linear-gradient(to right, orange 30% ,green 60%, yellow 100%);
文章推荐:https://blog.csdn.net/succuba_ckr/article/details/82080548
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo14 线性渐变</title>
<style>
.ceng{
width: 260px;
height: 200px;
border:1px solid black;
background-image: linear-gradient(to right, orange 30% ,green 60%, yellow 100%);
}
</style>
</head>
<body>
<div class="ceng">
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo15 径向渐变 圆circle / 椭圆ellipse</title>
<style>
.ceng{
width: 100px;
height: 100px;
border-radius: 50%;
border: 1px solid black;
margin:10px;
float:left;
}
/*简单渐变、局部渐变 上下左右 具体px值 注意椭圆形的渐变第一组参数要X轴和Y轴参数同时存在*/
.circle{
background-image: radial-gradient(circle at center, orange,green);
}
.ellipse{
background-image: radial-gradient(ellipse at top left, orange,green);
}
.circle1{
background-image: radial-gradient(20px circle at center, orange,green);
}
.ellipse1{
background-image: radial-gradient(20px 30px ellipse at center, orange,green);
}
.circle2{
background-image: radial-gradient(20px circle at center, orange,yellow,pink);
}
.ellipse2{
background-image: radial-gradient(20px 30px ellipse at center, orange,yellow,pink);
}
</style>
</head>
<body>
<div class="ceng circle"></div>
<div class="ceng ellipse"></div>
<div class="ceng circle1"></div>
<div class="ceng ellipse1"></div>
<div class="ceng circle2"></div>
<div class="ceng ellipse2"></div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo16 重复性渐变</title>
<style>
.linear{
width: 300px;
height: 300px;
margin:20px auto;
background-image: repeating-linear-gradient(red 0px,green 40px,orange 80px);
}
.circle{
width: 300px;
height: 300px;
margin:20px auto;
border-radius: 50%;
background-image: repeating-radial-gradient(red 0px,green 30px,orange 40px);
}
</style>
</head>
<body>
<div class="linear">
</div>
<div class="circle">
</div>
</body>
</html>
核心技术:box-shadow: h-shadow(水平距离) v-shadow(垂直距离) blur(模糊距离) spread(阴影尺寸) color(阴影颜色) inset(内阴影)/outset(外阴影)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo17 盒子阴影效果 box-shadow</title>
<style>
/*box-shadow: h-shadow(水平距离) v-shadow(垂直距离) blur(模糊距离) spread(阴影尺寸) color(阴影颜色) inset(内阴影)/outset(外阴影)*/
body{
background-color: #eaeaea;
}
img{
width: 300px;
height: 200px;
}
.ceng{
width: 300px;
padding: 10px 10px 20px 10px;
border:1px solid #bfbfbf;
background-color: #fff;
box-shadow: 2px 2px 5px #aaa;
float:left;
}
.rotate_left{
transform: rotate(7deg);
}
.rotate_right{
transform: rotate(-7deg);
}
</style>
</head>
<body>
<div class="ceng rotate_left">
![](timg7.jpg)
今天风景很美,女朋友更美
</div>
<div class="ceng rotate_right">
![](timg8.jpg)
今天草地很绿,真是美好的一天
</div>
</body>
</html>
transition:
transition-propert:(过渡属性,默认值为all)
transition-duration:(过渡持续时间,默认值为0S)
transition-timing-function:(过渡函数。默认值为ease函数)
ease:先慢后快再慢 linear:匀速 ease-in:先慢后快 ease-out:先快后慢 ease-in-out:和ease一样;
transition-delay:(过渡延迟时间,默认值为0S);
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo18 过渡transition</title>
<style>
/*transition:
transition-propert:(过渡属性,默认值为all)
transition-duration:(过渡持续时间,默认值为0S)
transition-timing-function:(过渡函数。默认值为ease函数)
ease:先慢后快再慢 linear:匀速 ease-in:先慢后快 ease-out:先快后慢 ease-in-out:和ease一样;
transition-delay:(过渡延迟时间,默认值为0S);
*/
.ceng{
width: 100px;
height: 100px;
background-color: pink;
cursor:pointer;
transition:all 2s ease-out 1s;
}
.ceng:hover{
width: 300px;
height:200px;
background-color: orange;
border-radius: 30px;
}
</style>
</head>
<body>
<div class="ceng">
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo19 仿天猫类别过渡效果制作</title>
<style>
.main{
width: 260px;
height: 270px;
border: 1px solid #ccc;
margin: 50px auto;
font-family:'Microsoft Yahei';
}
.m_title{
font-size:20px;
padding:20px 10px 10px 10px;
}
.m_content{
color:#11ccaa;
padding: 0px 10px 10px 10px;
}
.m_img{
text-align: center;
position:relative;
}
.m_img img{
position:absolute;
width: 180px;
top:0px;
right:0px;
transition: right .3s ease .3s;
}
.main:hover img{
right:15px;
}
</style>
</head>
<body>
<div class="main">
<div class="m_title">品牌车也降价</div>
<div class="m_content">不要错过这机会</div>
<div class="m_img">
![](timg9.jpg)
</div>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo20 动画中的关键帧@keyframes</title>
<style>
.rect{
width: 100px;
height: 100px;
background-color: red;
position:fixed;
animation: mymove 2s infinite;
}
@keyframes mymove{
/*
from{ top:0; left:20%;}
to{top:0; left: 80%;}
*/
0% {top:0; left:20%; background-color:'red';}
25%{top:0; left:80%; background-color:'green';}
50%{top:80%; left:80%;background-color:'yellow';}
75%{top:80%; left:20%;background-color:'blue';}
100%{top:0; left:20%;background-color:'red';}
}
</style>
</head>
<body>
<div class="rect">
</div>
</body>
</html>
animation:
animation-name: 动画名称
animation-duration: 持续时间
animation-timing-function: 过渡函数
linear:匀速行驶; ease/ease-in-out:先慢后快再慢; ease-in:先慢后快; ease-out:先快后慢
animation-delay 延迟
animation-iteration-count: 循环次数infinite无限循环
animation-direction:方向 normal/alternate反向
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo21 复合属性animation</title>
<style>
/*animation:
animation-name: 动画名称
animation-duration: 持续时间
animation-timing-function: 过渡函数
linear:匀速行驶; ease/ease-in-out:先慢后快再慢; ease-in:先慢后快; ease-out:先快后慢
animation-delay 延迟
animation-iteration-count: 循环次数infinite无限循环
animation-direction:方向 normal/alternate反向
*/
.rect{
width: 100px;
height: 100px;
background-color: red;
position:fixed;
animation: mymove 2s infinite;
}
@keyframes mymove{
/*
from{ top:0; left:20%;}
to{top:0; left: 80%;}
*/
0% {top:0; left:20%; background-color:red;}
25%{top:0; left:80%; background-color:green;}
50%{top:80%; left:80%;background-color:yellow;}
75%{top:80%; left:20%;background-color:blue;}
100%{top:0; left:20%;background-color:red;}
}
</style>
</head>
<body>
<div class="rect">
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo22 加载loading动画实现</title>
<style>
.spinner{
margin:100px auto;
width: 60px;
height: 60px;
text-align: center;
font-size: 10px;
}
.spinner div{
background-color: #67cf22;
width: 6px;
height: 100%;
display:inline-block;
animation: mymove 1.2s infinite ease-in-out;
}
.spinner > div:nth-child(2){
animation-delay:-1.1s;
}
.spinner > div:nth-child(3){
animation-delay:-1.0s;
}
.spinner > div:nth-child(4){
animation-delay:-0.9s;
}
.spinner > div:nth-child(5){
animation-delay:-0.8s;
}
@keyframes mymove{
0%,40%,100%{transform: scaleY(0.4);}
20%{transform:scaleY(1);}
}
</style>
</head>
<body>
<div class="spinner">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo23 原点加载中动画实现</title>
<style>
.spinner{
width: 60px;
height: 60px;
margin:100px auto;
position:relative;
}
.spinner div{
width: 100%;
height: 100%;
border-radius: 50%;
background-color: #67cf22;
opacity:.6;
position:absolute;
top:0;
left:0;
animation: mymove 2s infinite ease-in-out;
}
.spinner div:nth-child(2){
animation-delay:-1s; /*尽量做负延时*/
}
@keyframes mymove{
0%,100%{transform: scale(0.0);}
50%{transform: scale(1.0);}
</style>
</head>
<body>
<div class="spinner">
<div></div>
<div></div>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo24 字体效果 </title>
<style>
body{
background-color: #666;
text-align: center;
font:bold 55px "Mircrosoft YaHei";
}
.font1{
color:#fff;
text-shadow: 0px 0px 20px red;
}
.font2{
color:black;
text-shadow:0px 1px 1px #fff;
}
.font3{
color:#fff;
text-shadow: 1px 1px rgba(198,223,248,.8),
2px 2px rgba(198,223,248,.8),
3px 3px rgba(198,223,248,.8),
4px 4px rgba(198,223,248,.8),
5px 5px rgba(198,223,248,.8),
6px 6px rgba(198,223,248,.8);
}
</style>
</head>
<body>
<div class="font1">panda</div>
<div class="font2">APPLE ATYLE</div>
<div class="font3">3D TEXT EFFECT</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo25 字体排版情况text-overflow</title>
<style>
/* text-overflow:clip() | ellipsis(超出部分用...表示) | string(超出部分用自定义字符表示)*/
.demo1{
margin:30px auto;
width: 200px;
height:100px;
padding:10px;
border:1px solid #ccc;
text-overflow: clip;
overflow: hidden;
}
.demo2{
margin:30px auto;
width: 200px;
padding:10px;
border:1px solid #ccc;
text-overflow: ellipsis;
overflow: hidden;
white-space:nowrap;
}
</style>
</head>
<body>
<div class="demo1">
每年10月至次年1月,是流行性出血热的高发季节。厦门市疾控中心提醒市民,出血热的发病区域集中在农村和城市边缘地带,城市居民染上此病主要是因为在野外、草地或者其他潮湿的地方接触螨虫所致。除了及时防鼠、灭鼠,接种出血热疫苗,是最经济、最科学、最有效的措施。
</div>
<div class="demo2">
每年10月至次年1月,是流行性出血热的高发季节。厦门市疾控中心提醒市民,出血热的发病区域集中在农村和城市边缘地带,城市居民染上此病主要是因为在野外、草地或者其他潮湿的地方接触螨虫所致。除了及时防鼠、灭鼠,接种出血热疫苗,是最经济、最科学、最有效的措施。
</div>
</body>
</html>
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