CSS 常用经典布局 - 三栏布局

效果展示

原始效果

最终效果

原始代码

html 部分

<div class="container">
  <div class="center">center</div>
  <div class="left">left</div>
  <div class="right">right</div>
</div>

css 部分

body {
  min-width: 630px;
  margin: 0;
}

.center {
  height: 150px;
  background-color: #94e8ff;
}

.left {
  width: 100px;
  height: 150px;
  background-color: #ffb5bf;
}

.right {
  width: 200px;
  height: 150px;
  background-color: #8990d5;
}

实现方法

flex 布局

.container {
  display: flex;
}

.center {
  flex-grow: 1;
}

.left {
  order: -1;
}

定位布局

.container {
  position: relative;
}

.center {
  position: absolute;
  left: 100px;
  right: 200px;
}

.left {
  position: absolute;
  left: 0;
}

.right {
  position: absolute;
  right: 0;
}

圣杯布局

.container {
  overflow: hidden;
  padding-left: 100px;
  padding-right: 200px;
}

.center,
.left,
.right {
  float: left;
}

.left {
  position: relative;
  left: -100px;
  margin-left: -100%;
}

.right {
  position: relative;
  right: -200px;
  margin-left: -200px;
}

双飞翼布局

<div class="container">
  <div class="center-container">
    <div class="center">center</div>
  </div>
  <div class="left">left</div>
  <div class="right">right</div>
  <div></div>
</div>

.container {
  overflow: hidden;
}

.center-container,
.left,
.right {
  float: left;
}

.center-container {
  width: 100%;
}

.center-container .center {
  margin-left: 100px;
  margin-right: 200px;
}

.left {
  margin-left: -100%;
}

.right {
  margin-left: -200px;
}

grid 布局

<div class="container">
  <div class="left">left</div>
  <div class="center">center</div>
  <div class="right">right</div>
</div>

.container {
  display: grid;
  grid-template-columns: 100px 1fr 200px;
}

table 布局

<div class="container">
  <div class="left">left</div>
  <div class="center">center</div>
  <div class="right">right</div>
</div>

.container {
  display: table;
}
.center {
  display: table-cell;
}