Question

我真的很抱歉，如果这个问题之前已经发布但是我找不到答案，我为两个版本的设备平板电脑和PC写了一个非常简单的css文件，但它不起作用。现在，你可以看到我试图在分辨率x和y之间使用，但似乎根本没有工作。有点帮助吗？感谢

/* Responsive tablet etc
-------------------------------------------------------------------------------*/

@media only screen and (min-device-width: 320px) and (max-device-width: 680px) {

#menubar {
    width:100%;
    height:100px;
    display:block;
    position:relative;
    background-color:#000;
    margin:auto;
    padding:0px;
    z-index:100;
}

#menubarwrap {
    width:980px;
    height:95px;
    margin:auto;
    padding:0px;
    display:block;
    position:relative;
}

#logo {
    display:inline-block;
    position:relative;
    margin:auto;
    padding:0px;
    width:100px;
    height:95px;
    background-image:url(../img/logo.png);
    background-repeat:no-repeat;
}

/* Master MENU */

#rightmenu {
    display:inline-block;
    position:relative;
    height:95px;
    width:auto;
    margin:auto;
    padding:0px;
}

/* Full image */

#banner {
    background-image:url(../img/banner.jpg);
    -webkit-background-size: cover;
    -moz-background-size: cover;
   -o-background-size: cover;
    background-size: cover;
    width:100%;
    height:500px;
    display:block;
    position:relative;
    margin:auto;
    padding:0px;
}


/*wrapper*/

#wrapper {
    display:block;
    position:relative;
    height:auto;
    width:480px;
    margin:auto 10px auto 10px;
    padding:5px;
}


<!-- media tablet end-->
}

/* Desktop!
-------------------------------------------------------------------------------*/
@media only screen and (min-device-width: 681px) and (max-device-width: 1600px) {

#menubar {
    width:100%;
    height:100px;
    display:block;
    position:relative;
    background-color:#000;
    margin:auto;
    padding:0px;
    z-index:100;
}

#menubarwrap {
    width:980px;
    height:95px;
    margin:auto;
    padding:0px;
    display:block;
    position:relative;
}

#logo {
    display:inline-block;
    position:relative;
    margin:auto;
    padding:0px;
    width:150px;
    height:95px;
    background-image:url(../img/logo.png);
    background-repeat:no-repeat;
}

/* Master MENU */

#rightmenu {
    display:inline-block;
    position:relative;
    height:95px;
    width:auto;
    margin:auto;
    padding:0px;
}

/* Full image */

#banner {
    background-image:url(../img/banner.jpg);
    -webkit-background-size: cover;
    -moz-background-size: cover;
   -o-background-size: cover;
    background-size: cover;
    width:100%;
    height:500px;
    display:block;
    position:relative;
    margin:auto;
    padding:0px;
}


/*wrapper*/

#wrapper {
    display:block;
    position:relative;
    height:auto;
    width:990px;
    margin:auto 10px auto 10px;
    padding:5px;
}


<!-- media PC end-->
}

Answer 1

而不是使用min-device-width和max-device-width
请改用min-width和max-width

Answer 2

你添加了：

<meta name="viewport" content="width=device-width">

在你的HTML头部？

响应媒体查询不起作用

2 个答案: