常见列表布局，效果如下图。常见图与图之间经常会留间距，下图图与图没留间距
1、第一种列表布局：float + margin
1.2、第一种列表布局相应代码
<!DOCTYPE html>
<head>
<title>float+margin布局，最开始或者最后元素会留间距。</title>
<style>
*{
margin: 0;
padding:0;
}
.row{
margin: 10px auto;
500px;
height:200px;
border:1px solid red;
}
.col{
100px;
height:100px;
background: yellow;
float: left;
border:1px solid black;
margin-right: 23px;
}
</style>
</head>
<body>
<div class="row">
<div class="col">1</div>
<div class="col">2</div>
<div class="col">3</div>
<div class="col">4</div>
</div>
</body>
</html>
2、第二种列表布局：float + border(border充当间距)
解析：第二种方式开始列没有给间距
2.2、第二种列表布局相应代码
<!DOCTYPE html>
<head>
<title>float + border,border充当间距</title>
<style>
*{
margin: 0;
padding:0;
}
.row{
margin: 10px auto;
500px;
height:200px;
border:1px solid red;
}
.col{
125px;
height:100px;
background: yellow;
float: left;
margin-bottom:5px;
}
.border-color-gap{
box-sizing: border-box;
border-left:10px solid #ffffff;
}
</style>
</head>
<body>
<div class="row">
<div class="col">1</div>
<div class="col border-color-gap">2</div>
<div class="col border-color-gap">3</div>
<div class="col border-color-gap">4</div>
<div class="col">3</div>
<div class="col border-color-gap">4</div>
<div class="col border-color-gap">3</div>
<div class="col border-color-gap">4</div>
</div>
</body>
</html>3
3、第三种列表布局：display: flex;flex-direction: row + margin
3.2、第三种列表布局相应代码
<!DOCTYPE html>
<head>
<title>flex布局</title>
<style>
*{
margin: 0;
padding:0;
}
.row{
margin: 10px auto;
500px;
height:200px;
border:1px solid red;
display:flex;
flex-direction: row;
}
.col{
125px;
height:100px;
background: yellow;
}
.gap{
margin-left:5px;
}
</style>
</head>
<body>
<div class="row">
<div class="col">1</div>
<div class="col gap">2</div>
<div class="col gap">3</div>
<div class="col gap">4</div>
</div>
</body>
</html>