<!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{
width: 500px;
height: 500px;
background-color: #ccc;
transition: 1s;
}
.box1{
width: 500px;
height: 500px;
background-color: #ccc;
transition: 1s;
}
@media screen and (min-width:800px) {
.box{
background-color: red;
}
}
@media screen and (min-width:1200px) {
.box{
background-color: blue;
}
}
/* min-width从小到大
max-width从大到小 */
@media screen and (max-width:1500px) {
.box1{
background-color:rebeccapurple;
}
}
@media screen and (max-width:1100px) {
.box1{
background-color:green;
}
}
@media screen and (max-width:900px) {
.box1{
background-color: hotpink;
}
}
@media screen and (max-width:700px) {
.box1{
background-color: darkred;
}
}
</style>
</head>
<body>
<div class="box"></div>
<div class="box1"></div>
</body>
</html>