Flex布局
这是国外大神专门讲flex布局讲的超级细，虽然没有看完
边玩游戏边学习flex
- 块级布局侧重垂直方向、行内布局侧重水平方向，flex布局是跟方向无关的
- flex布局可以实现空间自动分配、自动对齐(flexible:弹性布局);
- flex适用于简单的线性布局，更复杂的布局要交给Grid,这篇文章写的挺好，学到不少。
常用flex属性
- flex container(容器)属性？
flex-direaction:方向
flex-wrap:换行
flex-flow:上面另个的简写
justify-content:主轴方向对齐方式
align-items:侧轴对齐方式
align-content:多行/列内容对齐方式(用的少)
- flex item属性？
flex-grow:增长比例(空间过多时)
flex-shrink:收缩比例(空间不够时)
flex-basis:默认大小（一般不用）
order:顺序（代替双飞翼）
align-self:自身对齐方式
align-content:多行/列内容对齐方式(用的少)
结合学习内容写个骰子布局
<html>
<head>
<meta charset="utf-8">
<title></title>
<style media="screen">
.first-face {
display: flex;
justify-content: center;
align-items: center;
}
.second-face {
display: flex;
justify-content: space-between;
}
.second-face .pip:nth-of-type(2) {
align-self: flex-end;
}
.third-face {
display: flex;
justify-content: space-between;
}
.third-face .pip:nth-of-type(2) {
align-self: center;
}
.third-face .pip:nth-of-type(3) {
align-self: flex-end;
}
.fourth-face, .sixth-face {
display: flex;
justify-content: space-between;
}
.fourth-face .column, .sixth-face .column {
display: flex;
flex-direction: column;
justify-content: space-between;
}
.fifth-face {
display: flex;
justify-content: space-between;
}
.fifth-face .column {
display: flex;
flex-direction: column;
justify-content: space-between;
}
.fifth-face .column:nth-of-type(2) {
justify-content: center;
}
/* OTHER STYLES */
* {
box-sizing: border-box;
}
html, body {
height: 100%;
}
body {
display: flex;
align-items: center;
justify-content: center;
vertical-align: center;
flex-wrap: wrap;
align-content: center;
font-family: 'Open Sans', sans-serif;
background: linear-gradient(top, #222, #333);
}
[class$="face"] {
margin: 16px;
padding: 4px;
background-color: #e7e7e7;
width: 104px;
height: 104px;
object-fit: contain;
box-shadow:
inset 0 5px white,
inset 0 -5px #bbb,
inset 5px 0 #d7d7d7,
inset -5px 0 #d7d7d7;
border-radius: 10%;
}
.pip {
display: block;
width: 24px;
height: 24px;
border-radius: 50%;
margin: 4px;
background-color: #333;
box-shadow: inset 0 3px #111, inset 0 -3px #555;
}
</style>
</head>
<body>
<div class="first-face">
<span class="pip"></span>
</div>
<div class="second-face">
<span class="pip"></span>
<span class="pip"></span>
</div>
<div class="third-face">
<span class="pip"></span>
<span class="pip"></span>
<span class="pip"></span>
</div>
<div class="fourth-face">
<div class="column">
<span class="pip"></span>
<span class="pip"></span>
</div>
<div class="column">
<span class="pip"></span>
<span class="pip"></span>
</div>
</div>
<div class="fifth-face">
<div class="column">
<span class="pip"></span>
<span class="pip"></span>
</div>
<div class="column">
<span class="pip"></span>
</div>
<div class="column">
<span class="pip"></span>
<span class="pip"></span>
</div>
</div>
<div class="sixth-face">
<div class="column">
<span class="pip"></span>
<span class="pip"></span>
<span class="pip"></span>
</div>
<div class="column">
<span class="pip"></span>
<span class="pip"></span>
<span class="pip"></span>
</div>
</div>
</body>
</html>`
效果图
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