通过css3背景控制属性+使用颜色过渡实现渐变效果
建站知识 2021-07-03 07:55www.168986.cn长沙网站建设
css3背景图像相关
兼容性IE9+
background-clip 背景图片绘制区域
background-clip:border-box; 内容区
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background:url(source/p3.jpg) center;
padding:50px;
border:50px solid transparent;
background-clip:content-box;
/background-clip:padding-box;/
/background-clip:border-box;/
}
</style>
</head>
<body>
<div></div>
</body>
</html>
background-clip:padding-box; padding区域
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background:url(source/p3.jpg) center;
padding:50px;
border:50px solid transparent;
background-clip:padding-box;
/background-clip:border-box;/
}
</style>
</head>
<body>
<div></div>
</body>
</html>
background-clip:border-box; border区域
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background:url(source/p3.jpg) 50px 50px no-repeat;
padding:50px;
border:50px solid transparent;
background-origin:border-box;
}
</style>
</head>
<body>
<div></div>
</body>
</html>
background-origin: content-box | padding-box | border-box; 背景图片起始位置
背景图片从border-box开始水平垂直向下偏移50px
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background:url(source/p3.jpg) 50px 50px no-repeat;
padding:50px;
border:50px solid transparent;
background-origin:padding-box;
}
</style>
</head>
<body>
<div></div>
</body>
</html>
背景图片从padding-box开始水平垂直向下偏移50px
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background:url(source/p3.jpg) 50px 50px no-repeat;
padding:50px;
border:50px solid transparent;
background-origin:content-box;
}
</style>
</head>
<body>
<div></div>
</body>
</html>
背景图片从content-box开始水平垂直向下偏移50px
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background:url(source/p2.jpg) 50px 50px no-repeat;
background-size:100%;/宽度为容器宽度的100%，高度按图片比例来/
background-size:100% 100%;/宽度为容器宽度的100%，高度为容器高度的100%/
background-size:cover;
background-size:contain;
}
</style>
</head>
<body>
<div></div>
</body>
</html>
background-size: 填写数值或者百分比时，如果只填写一个值，另一个值默认为auto
cover 等比缩放填满容器
contain 等比缩放至一边碰到容器边
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background:url(source/p2.jpg) 50px 50px no-repeat;
background-size:100%;/宽度为容器宽度的100%，高度按图片比例来/
background-size:100% 100%;/宽度为容器宽度的100%，高度为容器高度的100%/
background-size:cover;
background-size:contain;
}
</style>
</head>
<body>
<div></div>
</body>
</html>
多重背景图片
background-image:url(),url();
前面的图片会覆盖后面的图片
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background-image:url(source/shuiyin.png), url(source/cat.jpg);
}
</style>
</head>
<body>
<div></div>
</body>
</html>
颜色设置为透明transparent
css3渐变
兼容性IE10
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background:-webkit-linear-gradient(pink, orange, #abcdef);/默认是垂直方向/
background: -moz-linear-gradient(pink, orange, #abcdef);/默认是垂直方向/
background: -o-linear-gradient(pink, orange, #abcdef);/默认是垂直方向/
background: linear-gradient(pink, orange, #abcdef);/默认是垂直方向/
background:-webkit-linear-gradient(left, pink, orange, #abcdef);/从左到右/
background: -moz-linear-gradient(right, pink, orange, #abcdef);
background: -o-linear-gradient(right, pink, orange, #abcdef);
background: linear-gradient(to right, pink, orange, #abcdef);
background:-webkit-linear-gradient(left , pink, orange, #abcdef);/从左上到右下/
background: -moz-linear-gradient(right bottom, pink, orange, #abcdef);
background: -o-linear-gradient(right bottom, pink, orange, #abcdef);
background: linear-gradient(to right bottom, pink, orange, #abcdef);
}
</style>
</head>
<body>
<div></div>
</body>
</html>
正常情况下线性渐变的角度
webkit内核下线性渐变的角度
解决方法兼容浏览器的前缀按顺序书写，正常情况下无前缀的放在
颜色可以具体分配位置
第一个颜色不写默认是0%的位置；一个颜色默认是100%的位置
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background:-webkit-linear-gradient(45deg, pink, orange, #abcdef);/具体角度表示/
background: -moz-linear-gradient(45deg, pink, orange, #abcdef);
background: -o-linear-gradient(45deg, pink, orange, #abcdef);
background: linear-gradient(45deg, pink, orange, #abcdef);
background:-webkit-linear-gradient(90deg, orange, pink 30%, purple 70%, #abcdef);
background: -moz-linear-gradient(90deg, orange, pink 30%, purple 70%, #abcdef);
background: -o-linear-gradient(90deg, orange, pink 30%, purple 70%, #abcdef);
background: linear-gradient(90deg, orange, pink 30%, purple 70%, #abcdef);
}
</style>
</head>
<body>
<div></div>
</body>
</html>
rgba() 可以设置带透明色的渐变
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background:-webkit-linear-gradient(90deg, rgba(255,0,0,0), rgba(255,0,0,1));/具体角度表示/
background: -moz-linear-gradient(90deg, rgba(255,0,0,0), rgba(255,0,0,1));
background: -o-linear-gradient(90deg, rgba(255,0,0,0), rgba(255,0,0,1));
background: linear-gradient(90deg, rgba(255,0,0,0), rgba(255,0,0,1));
}
</style>
</head>
<body>
<div></div>
</body>
</html>
重复渐变
repeating-linear-gradient
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 500px;
height: 500px;
background:-webkit-repeating-linear-gradient(90deg, rgba(255,0,0,0), rgba(255,0,0,1) 20%);
background: -moz-repeating-linear-gradient(90deg, rgba(255,0,0,0), rgba(255,0,0,1) 20%);
background: -o-repeating-linear-gradient(90deg, rgba(255,0,0,0), rgba(255,0,0,1) 20%);
background: repeating-linear-gradient(90deg, rgba(255,0,0,0), rgba(255,0,0,1) 20%);
}
</style>
</head>
<body>
<div></div>
</body>
</html>
径向渐变 radial-gradient
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 400px;
height: 200px;
border-radius:50%;
background:-webkit-radial-gradient(pink, #abcdef);
background: -moz-radial-gradient(pink, #abcdef);
background: -o-radial-gradient(pink, #abcdef);
background: radial-gradient(pink, #abcdef);
}
</style>
</head>
<body>
<div></div>
</body>
</html>
保持圆形渐变
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 400px;
height: 200px;
border-radius:50%;
background:-webkit-radial-gradient(circle, pink, #abcdef);
background: -moz-radial-gradient(circle, pink, #abcdef);
background: -o-radial-gradient(circle, pink, #abcdef);
background: radial-gradient(circle, pink, #abcdef);
}
</style>
</head>
<body>
<div></div>
</body>
</html>
尺寸大小 closest-side closest-corner farthest-side farthest-corner
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 200px;
height: 100px;
border-radius:50%;
margin-bottom:50px;
line-height: 100px;
text-align: center;
/ background:-webkit-radial-gradient(circle, pink, #abcdef);
background: -moz-radial-gradient(circle, pink, #abcdef);
background: -o-radial-gradient(circle, pink, #abcdef);
background: radial-gradient(circle, pink, #abcdef);/
}
div:nth-child(1){
background:-webkit-radial-gradient(closest-side circle, pink, #abcdef);
background: -moz-radial-gradient(closest-side circle, pink, #abcdef);
background: -o-radial-gradient(closest-side circle, pink, #abcdef);
background: radial-gradient(closest-side circle, pink, #abcdef);
}
div:nth-child(2){
background:-webkit-radial-gradient(closest-corner circle, pink, #abcdef);
background: -moz-radial-gradient(closest-corner circle, pink, #abcdef);
background: -o-radial-gradient(closest-corner circle, pink, #abcdef);
background: radial-gradient(closest-corner circle, pink, #abcdef);
}
div:nth-child(3){
background:-webkit-radial-gradient(farthest-side circle, pink, #abcdef);
background: -moz-radial-gradient(farthest-side circle, pink, #abcdef);
background: -o-radial-gradient(farthest-side circle, pink, #abcdef);
background: radial-gradient(farthest-side circle, pink, #abcdef);
}
div:nth-child(4){
background:-webkit-radial-gradient(farthest-corner circle, pink, #abcdef);
background: -moz-radial-gradient(farthest-corner circle, pink, #abcdef);
background: -o-radial-gradient(farthest-corner circle, pink, #abcdef);
background: radial-gradient(farthest-corner circle, pink, #abcdef);
}
</style>
</head>
<body>
<div>closest-side</div>
<div>closest-corner</div>
<div>farthest-side</div>
<div>farthest-corner</div>
</body>
</html>
设置渐变的圆心位置
水平方向为宽度的10%，垂直方向为高度的20%
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 200px;
height: 100px;
margin-bottom:50px;
line-height: 100px;
text-align: center;
/ background:-webkit-radial-gradient(circle, pink, #abcdef);
background: -moz-radial-gradient(circle, pink, #abcdef);
background: -o-radial-gradient(circle, pink, #abcdef);
background: radial-gradient(circle, pink, #abcdef);/
}
div:nth-child(1){
background:-webkit-radial-gradient(10% 20%, closest-side circle, pink, #abcdef);
background: -moz-radial-gradient(10% 20%, closest-side circle, pink, #abcdef);
background: -o-radial-gradient(10% 20%, closest-side circle, pink, #abcdef);
background: radial-gradient(10% 20%, closest-side circle, pink, #abcdef);
}
div:nth-child(2){
background:-webkit-radial-gradient(10% 20%, closest-corner circle, pink, #abcdef);
background: -moz-radial-gradient(10% 20%, closest-corner circle, pink, #abcdef);
background: -o-radial-gradient(10% 20%, closest-corner circle, pink, #abcdef);
background: radial-gradient(10% 20%, closest-corner circle, pink, #abcdef);
}
div:nth-child(3){
background:-webkit-radial-gradient(10% 20%, farthest-side circle, pink, #abcdef);
background: -moz-radial-gradient(10% 20%, farthest-side circle, pink, #abcdef);
background: -o-radial-gradient(10% 20%, farthest-side circle, pink, #abcdef);
background: radial-gradient(10% 20%, farthest-side circle, pink, #abcdef);
}
div:nth-child(4){
background:-webkit-radial-gradient(10% 20%, farthest-corner circle, pink, #abcdef);
background: -moz-radial-gradient(10% 20%, farthest-corner circle, pink, #abcdef);
background: -o-radial-gradient(10% 20%, farthest-corner circle, pink, #abcdef);
background: radial-gradient(10% 20%, farthest-corner circle, pink, #abcdef);
}
</style>
</head>
<body>
<div>closest-side</div>
<div>closest-corner</div>
<div>farthest-side</div>
<div>farthest-corner</div>
</body>
</html>
repeating-radial-gradient 重复径向渐变
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 200px;
height: 100px;
margin-bottom:50px;
line-height: 100px;
text-align: center;
background:-webkit-repeating-radial-gradient(circle, pink, #abcdef 20%);
background: -moz-repeating-radial-gradient(circle, pink, #abcdef 20%);
background: -o-repeating-radial-gradient(circle, pink, #abcdef 20%);
background: repeating-radial-gradient(circle, pink, #abcdef 20%);
}
</style>
</head>
<body>
<div></div>
</body>
</html>
IE浏览器渐变
IE10+ 支持gradient 渐变
IE6-8 使用filter
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 200px;
height: 100px;
margin-bottom:50px;
line-height: 100px;
text-align: center;
background:-webkit-repeating-radial-gradient(circle, pink, #abcdef 20%);
background: -moz-repeating-radial-gradient(circle, pink, #abcdef 20%);
background: -o-repeating-radial-gradient(circle, pink, #abcdef 20%);
background: repeating-radial-gradient(circle, pink, #abcdef 20%);
filter: progid:DXImageTransform.Microsoft.gradient(startcolorstr=pink,endcolorstr=#abcdef,gradientType=1);
}
</style>
</head>
<body>
<div></div>
</body>
</html>
使用IE控制台可切换IE浏览器版本
IE filter
0 从左到右线性渐变
1 从上到下线性渐变
实际案例
<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div{
width: 600px;
height: 300px;
background-color:#abcdef;
background-size:100px 100px;
background-image:-webkit-linear-gradient(45deg, pink 25%, transparent 25%),
-webkit-linear-gradient(-45deg, pink 25%, transparent 25%),
-webkit-linear-gradient(45deg, transparent 75%, pink 75%),
-webkit-linear-gradient(-45deg, transparent 75%, pink 75%);
background-image:-moz-linear-gradient(45deg, pink 25%, transparent 25%),
-moz-linear-gradient(-45deg, pink 25%, transparent 25%),
-moz-linear-gradient(45deg, transparent 75%, pink 75%),
-moz-linear-gradient(-45deg, transparent 75%, pink 75%);
background-image:-o-linear-gradient(45deg, pink 25%, transparent 25%),
-o-linear-gradient(-45deg, pink 25%, transparent 25%),
-o-linear-gradient(45deg, transparent 75%, pink 75%),
-o-linear-gradient(-45deg, transparent 75%, pink 75%);
background-image:linear-gradient(45deg, pink 25%, transparent 25%),
linear-gradient(-45deg, pink 25%, transparent 25%),
linear-gradient(45deg, transparent 75%, pink 75%),
linear-gradient(-45deg, transparent 75%, pink 75%);
}
</style>
</head>
<body>
<div></div>
</body>
</html>
上一篇：CSS3中新增的对文本和字体的设置
下一篇：CSS3动画特效在活动页中的应用
长沙网站设计
- 如何自己建一个网站 自己想建个网站,怎么建
- 如何制作网站免费建站 创建网站免费注册
- html简单网页代码 html简单网页代码超链接
- dreamweaver网页制作 dreamweaver网页制作模板
- 上海网站建设 上海网站建设制作微信
- 如何制作网站和网页 如何制作一个网页
- html网页制作代码大全 端午节html网页制作代码大
- app开发公司 app开发公司前十名
- html网页制作 html网页制作文字居中
- app制作一个需要多少钱 请人制作一个app多少钱
- 成都网站制作 成都网站制作维护
- 百度建一个网站多少钱 百度做个公司网站要多少
- html+css网页制作成品 web网页制作成品css+javascrip
- html网页制作案例 html网页设计案例
- html+css网页制作成品 web网页制作成品css+javascrip
- 个人网站模板 个人网站模板HTML