Flexbox 对齐项目
align-items 属性与
justify content 相同。但在这里，项目在交叉访问中（垂直）对齐。
用法-
align-items: flex-start | flex-end | center | baseline | stretch;
flex-start-弹性项目在容器顶部垂直对齐。
flex-end-弹性项目在容器底部垂直对齐。
flex-center-弹性项目在容器的中心垂直对齐。
stretch-弹性项目垂直对齐，以便它们填满容器的整个垂直空间。
baseline-Flex 项目对齐，使其文本的基线沿水平线对齐。
flex-start
将此值传递给属性 align-items 后，弹性项目在容器顶部垂直对齐。
以下示例演示了将值
flex-start 传递给
align-items 属性的结果。
<!doctype html>
<html lang = "en">
<style>
.box1{background:green;}
.box2{background:blue;}
.box3{background:red;}
.box4{background:magenta;}
.box5{background:yellow;}
.box6{background:pink;}
.box{
font-size:35px;
padding:15px;
}
.container{
display:flex;
height:100vh;
align-items:flex-start;
}
</style>
<body>
<div class = "container">
<div class = "box box1">One</div>
<div class = "box box2">two</div>
<div class = "box box3">three</div>
<div class = "box box4">four</div>
<div class = "box box5">five</div>
<div class = "box box6">six</div>
</div>
</body>
</html>
flex-end
将此值传递给属性
align-items 后，弹性项目在容器底部垂直对齐。
以下示例演示了将值
flex-end 传递给
align-items 属性的结果。
<!doctype html>
<html lang = "en">
<style>
.box1{background:green;}
.box2{background:blue;}
.box3{background:red;}
.box4{background:magenta;}
.box5{background:yellow;}
.box6{background:pink;}
.box{
font-size:35px;
padding:15px;
}
.container{
display:flex;
height:100vh;
align-items:flex-end;
}
</style>
<body>
<div class = "container">
<div class = "box box1">One</div>
<div class = "box box2">two</div>
<div class = "box box3">three</div>
<div class = "box box4">four</div>
<div class = "box box5">five</div>
<div class = "box box6">six</div>
</div>
</body>
</html>
中心
将此值传递给属性
align-items 后，弹性项目会在容器的中心垂直对齐。
以下示例演示了将值
flex-center 传递给
align-items 属性的结果。
<!doctype html>
<html lang = "en">
<style>
.box1{background:green;}
.box2{background:blue;}
.box3{background:red;}
.box4{background:magenta;}
.box5{background:yellow;}
.box6{background:pink;}
.box{
font-size:35px;
padding:15px;
}
.container{
display:flex;
height:100vh;
align-items:center;
}
</style>
<body>
<div class = "container">
<div class = "box box1">One</div>
<div class = "box box2">two</div>
<div class = "box box3">three</div>
<div class = "box box4">four</div>
<div class = "box box5">five</div>
<div class = "box box6">six</div>
</div>
</body>
</html>
拉伸
将此值传递给属性
align-items 后，弹性项目将垂直对齐，从而填满容器的整个垂直空间。
以下示例演示了将值
stretch 传递给
align-items 属性的结果。
<!doctype html>
<html lang = "en">
<style>
.box1{background:green;}
.box2{background:blue;}
.box3{background:red;}
.box4{background:magenta;}
.box5{background:yellow;}
.box6{background:pink;}
.box{
font-size:35px;
padding:15px;
}
.container{
display:flex;
height:100vh;
align-items:stretch;
}
</style>
<body>
<div class = "container">
<div class = "box box1">One</div>
<div class = "box box2">two</div>
<div class = "box box3">three</div>
<div class = "box box4">four</div>
<div class = "box box5">five</div>
<div class = "box box6">six</div>
</div>
</body>
</html>
基线
将此值传递给属性
align-items 后，弹性项目将对齐，使其文本的基线沿水平线对齐。
以下示例演示了将值
baseline 传递给
align-items 属性的结果。
<!doctype html>
<html lang = "en">
<style>
.box1{background:green;}
.box2{background:blue;}
.box3{background:red;}
.box4{background:magenta;}
.box5{background:yellow;}
.box6{background:pink;}
.box{
font-size:35px;
padding:15px;
}
.container{
display:flex;
height:100vh;
align-items:baseline;
}
</style>
<body>
<div class = "container">
<div class = "box box1">One</div>
<div class = "box box2">two</div>
<div class = "box box3">three</div>
<div class = "box box4">four</div>
<div class = "box box5">five</div>
<div class = "box box6">six</div>
</div>
</body>
</html>
