CSS: BFM

2022-03-19 08:02:16 阅读：112 来源： 互联网

标签：color float 100px BFM width background CSS left

BFC:

block formatting context

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .container{
      border:3px inset palegoldenrod;
      /* position: fixed; */
      /* overflow: auto; */
      /* float: left; */
      display: flex;
    }
    .cube{
      width: 100px;
      height: 100px;
      background: peru;
      margin: 100px;
      float: left;
    }
  </style>
</head>
<body>
  <div class="container">
    <div class="cube"></div>
  </div>
</body>
</html>

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .float {
      width: 100px;
      height: 100px;
      background-color: palegoldenrod;
      float: left;
    }

    .normal {
      /* overflow: auto; */
      /* float: left; */
      /* position: ; */
      display: inline-block;
      width: 200px;
      height: 200px;
      background-color: indianred;
    }
  </style>
</head>

<body>
  <div class="float"></div>
  <div class="normal"></div>
</body>

</html>

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .container {
      background: palegreen;
      overflow: auto;
    }

    .container img {
      float: left;
      width: 300px;
    }
    .container p{
      /* display: table; */
      overflow: hidden;
      background-color: indianred;
    }
  </style>
</head>

<body>
  <h1>BFC</h1>
  <div class="container">
    <img src="bb.png" alt="">
    <p>rtuo...</p>
  </div>
</body>

</html>

外边距塌陷可给父元素border-top

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .box {
      /* float: left; */
      /* overflow: auto; */
      /* display: inline-block; */
      /* position: absolute; */
      border-top: 1px groove indianred;
      width: 200px;
      height: 200px;
      background-color: lightcoral;
    }

    .box div {
      width: 100px;
      height: 100px;
      background-color: aqua;
      margin-top: 50px;
    }
  </style>
</head>

<body>
  <!--
    1. 普通流
    2. 定位流
    3. 浮动流
    BFC
   -->
  <div class="box">
    <div></div>
  </div>
</body>

</html>

内容塌陷

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .box {
      /* overflow: scroll; */
      /* float: left; */
      /* display: flex; */
      /* position: absolute; */
      background-color: palegreen;
      border: 1px inset coral;
    }

    .box div {
      float: right;
      width: 100px;
      height: 100px;
      background-color: cyan;
    }
  </style>
</head>

<body>
  <div class="box">
    <div></div>
  </div>
</body>

</html>

标签：color,float,100px,BFM,width,background,CSS,left
来源： https://www.cnblogs.com/dissipate/p/16024365.html

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CSS: BFM