bootstrap : 解决使图片全屏显示有空白边距的问题

<!DOCTYPE html>

<html >

<head>

<meta charset="utf-8">

<meta http-equiv="X-UA-Compatible" content="IE=edge">

<meta name="viewport" content="width=device-width, initial-scale=1">

<title>Document</title>

<link rel="stylesheet" href="./css/bootstrap.min.css">

<style>

.main{

width: 100%;

}

.box-wrap div{

border: 1px solid #000;

}

/* 解决使图片全屏显示有空白边距的问题

1,col 设置内边距为0

2,图片设置 width:100%

*/

.p-0{

padding: 0;

}

img{

width: 100%;

}

</style>

</head>

<body>

<div class="container-fluid">

<div class="row box-wrap">

<div class="col-md-12 col-xs-12 p-0">

<img src="./images/bg1.jpg" alt="" class="img-responsive">

</div>

<div class="col-md-12 col-xs-12">.col-md-1</div>

<div class="col-md-12 col-xs-12">.col-md-1</div>

</div>

</div>

<div class="main">

<div class="container">

</div>

</div>

</body>

</html>