02-CSS基础与进阶-day13_2018-09-21-20-42-22

css3动画
@keyframes 动画名 {
0%
{

}
100%
{

}
}

元素执行动画
animation: 动画名运动时间运动曲线
无缝滚动
见案例

伸缩布局
传统的三等份

03传统三等份.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style type="text/css">
       section {
             width: 80%; 
             height: 200px;
             margin: 100px auto;
             border: 1px solid #ccc;
       }

       section div{
          width: 33.33%; 
          height: 100%;
          float: left;
       }

       div:nth-child(1) {
             background-color: pink;
       }

       div:nth-child(2) {
             background-color: red;
       }

       div:nth-child(3) {
             background-color: blue;
       }
    </style>
</head>
<body>
    <section>
        <div></div>
        <div></div>
        <div></div>
    </section>
</body>
</html>

04伸缩布局实现三等份.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style type="text/css">
       section {
             width: 80%; 
             height: 200px;
             margin: 100px auto;
             border: 1px solid #ccc;
             /*父盒子添加flex*/
             display: flex; /*伸缩布局模式 这个盒子具有弹性*/
       }

       section div{
          height: 100%;
          flex: 1; /*子元素添加份数*/
       }

       div:nth-child(1) {
             background-color: pink;
             flex: 2;
             order: 10;
       }

       div:nth-child(2) {
             background-color: red;
             order: -2;
       }

       div:nth-child(3) {
             background-color: blue;
          order: -1;
       }
    </style>
</head>
<body>
    <section>
        <div></div>
        <div></div>
        <div></div>
    </section>
</body>
</html>

05伸缩布局固定宽度.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style type="text/css">
       section {
             width: 80%; 
             height: 200px;
             margin: 100px auto;
             border: 1px solid #ccc;
             /*父盒子添加flex*/
             display: flex; /*伸缩布局模式 这个盒子具有弹性*/
             min-width: 500px;
       }

       section div{
          height: 100%;
       }

       div:nth-child(1) {
             background-color: pink;
             width: 200px;
       }

       div:nth-child(2) {
             background-color: red;
             width: 100px;
       }

       div:nth-child(3) {
             background-color: blue;
             flex: 1;
       }

       div:nth-child(4) {
             background-color: green;
             flex: 1;
       }
    </style>
</head>
<body>
    <section>
        <div>111</div>
        <div>222</div>
        <div>3333</div>
        <div>4444</div>
    </section>
</body>
</html>

02-CSS基础与进阶-day13_2018-09-21-20-42-22

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