我正在制作一个响应式网站sandbox.mercomcorp.com。我的问题是用于ipad的css正在改变myt桌面css为什么会这样？ ipad是我桌面上的另一个媒体查询？附件是我的css。
#phone {font-size:18px; }
p.serviceheader {font-size:18px; color:#464646;}
#servicetext {margin-top:-227px; margin-left:15px; color:#ffffff;}
#servicelink {margin-top:-4px; margin-left:15px}
#securitylink {margin-top:20px; margin-left:2px}
#networkinfrastructurelink {margin-top:-20px; margin-left:-2px}
#itlink {margin-top:-20px; margin-left:8px}
#datalink {margin-top:46px; margin-left:8px; color:#ffffff;}
#personnellink {margin-top:6px; margin-left:15px}
#hometext {font-size:31px; text-align:right; line-height:1.5; font-weight:bold; margin-top:-25px;}
#abouthome {margin-left:20px; float:left;}
#contacthome {font-size:23px; color:#464646; font-weight:bold;}
#prefooter {color:#464646; font-size:23px;}
#careershome {color:#464646; font-size:18px; margin-top:-5px;}
#jointeam {color:#464646; font-size:23px; margin-top:35px;}
#benefits {color:#464646; font-size:23px; margin-top:7px;}
#joinus {color:#464646; font-size:23px; margin-top:38px; }
#employees {color:#464646; font-size:18px; margin-top:10px; line-height:20px;}
p.corporateoffice {font-size:20px; color:#464646;}
p.officetext {color:#464646;}
#footer-links {font-size:12px;}
#chamberlogo {margin-top:10px; margin-left:28px;}
#sbalogo {margin-left:3px;margin-top:30px;}
#bicsilogo {margin-left:53px;}
#alliance {margin-left:15px;}
#mbchamber {margin-left:3px;}
#pmilogo {margin-left:55px;}
.prefooterlink a {color:#464646;}
#afcealogo {margin-bottom:-9px; margin-left:30px;}
#bbb {margin-left:17px;}
#infocommlogo {margin-left:40px;}
h1.relatedpgs {font-size:24px; color:#990812; margin-left:-8px;}
h1.pheader {font-size:26px;}
.customheader {margin-top:-60px;}
.bodycontentalign {margin-left:11px;}
.navalign {margin-top:-15px; margin-left:11px;}
.topphone {margin-top:-15px; margin-left:115px;}
.socialicons {margin-top:-32px; margin-left:60px;}
.footercontactinfo {background:url('/wp-content/uploads/2012/05/ragedge-right.gif') repeat-y scroll right top #ECECEC;
color: #5a5858;
float: left;
min-height:260px;
width: 260px;
}
.footerlogos {background:url('/wp-content/uploads/2012/05/ragedge-left.gif') repeat-y scroll left top #ECECEC;
color: #5A5858;
float: left;
min-height:260px;
width: 680px;
margin-left:-95px;
}
.innerpagenav {background-color:#ececec;}
#block-69 {margin-top:-15px;}
#block-72 {margin-top:-74px; margin-left:-1px;}
#block-73 {margin-top:-70px; margin-left:-19px; background-color:#000000; color:#ffffff;}
#block-372 {margin-top:-55px;}
#block-370 {margin-top:-45px;}
#block-25 {margin-top:25px;}
#datacentertext {margin-top:-245px; margin-left:10px; color:white;}
#itintegrationtext {margin-top:-245px; margin-left:10px; color:white;}
#securitytext {margin-top:-245px; margin-left:10px; color:#ffffff;}
#networkinfrastructuretext {margin-top:-245px; margin-left:10px; color:#ffffff;}
#vtctext {margin-top:-245px; margin-left:5px; color:#ffffff;}
/*regular site css*/
.container
{
/*text-align:left;
display:inline-block;
width:100%;
height:auto;
overflow: hidden; */
background-color:white;
display:inline-block;
height:100%;
width: 100%;
/*border: solid 1px #aaa;*/
text-align: left;
font-size: 1em;
/*letter-spacing:px; */
/*white-space: nowrap; */
/*line-height: 12px; */
}
.square
{
/*margin:auto;
width:20%;
text-align:left;
display:inline-block;
float:left;*/
width:19.5%;
margin:auto;
/* border: solid 1px #ccc; */
display: inline-block;
vertical-align:middle;
}
.words
{
background-color:#990913; color:white;
/*display:inline-block;*/
width:12.85em;height:15em;
}
#block-72 li.widget
{
margin-bottom:2%;
}
.title
{
/*display:inline-block;*/
font-size:18px;
padding-bottom:5px;
/*color:#444444;*/
}
#block-73 li.widget
{
margin-top:5%;
}
#block-66/*phone numbers*/
{
/*background-color:purple;*/
position:relative;
top:-10px;
margin-left:105px;
}
#block-67
{
padding-top:5%;
}
#block-52
{
padding-top:15px;
}
a.linktext
{
color:#464646 !important; font-size:20px; text-decoration:underlined;
}
a.linktext1
{
color:#464646 !important; font-size:20px; text-decoration:underlined;
}
a.linktext2
{
color:#464646 !important; font-size:20px; text-decoration:underlined;
}
.fb-hide
{
position: absolute !important;
top: -9999px !important;
left: -9999px !important;
}
.corporateoffice
{
color:#464646;
font-size:20px;
}
.officetext
{
color:#464646;
}
@media screen and (min-width: 770px)
{
.hide
{
position: absolute !important;
top: -9999px !important;
left: -9999px !important;
}
a.linktext1
{
position: absolute !important;
top: -9999px !important;
left: -9999px !important;
}
}
/*@media screen and (min-width: 768px)and (orientation:portrait)
{
.container
{
height:100%;
width:100%;
text-align:center;
background-color:white;
display:inline-block;
}
.square
{
margin:auto;
width:15em!important;
text-align:center;
display:inline-block;
}
.words
{
width:100%;
}
a.linktext
{
color:#464646 !important; font-size:17px; text-decoration:underlined;
}
a.linktext1
{
color:#464646 !important; font-size:17px; text-decoration:underlined;
}
a.linktext2
{
position: absolute !important;
top: -9999px !important;
left: -9999px !important;
}
.centerlink
{
text-align: center;
}
#block-65
{
margin:-65 0 0 0 ;
position:absolute;
left:75px;
}
#block-66
{
background:blue;
position:absolute;
top:484px;
}
}
*/
@media only screen and (max-width: 500px)and (orientation:landscape)/*iphone 4*/{
.container
{
width:100%;
text-align:center;
background-color:white;
}
.square
{
margin:auto;
width:15em !important;
text-align:left;
}
.fb
{
position:relative;
/*top:-80px!important;*/
/*right:20px;*/
background:white;
z-index:3;
}
.words
{
width:100%;
height:203px!important;
text-align:center;
}
/*.topfooter
{
color:blue!important;
}*/
.botfooter
{
float:right;
position:absolute;
top:20px;
right:-225px!important;
}
.officetext
{
font-size:12px!important;
}
.coporateoffice
{
font-size:14px!important;
}
#employees
{
width:100%;
margin:0 ;
padding: 0;
}
.contact1{
position:absolute;
top:2050px!important;
margin-top:0px;
/*margin-top:100px!important;*/
}
}
@media screen and (max-width: 680px) and (orientation:landscape)/*landscape small phone*/
{
#wrapper-4,#wrapper-5,#wrapper-9,#wrapper-10,#wrapper-11,#wrapper-12,#wrapper-13,#wrapper-14,#wrapper-15,#wrapper-16,#wrapper-17/*stops from scrolling horizontal*/
{
width:auto;
overflow: hidden;
maxwidth:auto;
padding :0.5em;
}
.hide img /*logo*/
{
width:68%;
height: 185px;
/*display: block;*/
margin: auto !important;
}
.container
{
/* height:100%;*/
width:100%;
text-align:center;
background-color:white;
/*display:inline-block;*/
}
.square
{
margin:auto;
width:20em;
text-align:left;
/* display:inline-block;*/
}
.words
{
width:100%;
font-size:16px;
height:145px;
text-align:center;
}
#block-72 li.widget
{
margin-bottom:2%;
}
.title
{
/*display:inline-block;*/
font-size:18px;
padding-bottom:5px;
/*color:#444444;*/
}
#block-73 li.widget
{
margin-top:5%;
}
#block-66
{
width:100%
display:inline;
font-weight:bold;
posititon:absolute;
left:-25px;
top:5px;
letter-spacing:2px;
white-space:nowrap;
font:OpenSans-Semibold;
}
.phonenav
{
font-size:20px!important;
line-height:200%;
}
.insideimg
{
/* align:center;*/
/* position:absolute;*/
/*top:300px;*/
height:auto;
width:300px;
float:right;
}
/*.officetext
{
position:absolute;
top:500%;
width:100%;
font-size:20px;
white-space:nowrap;
color:red;
}*/
a.linktext2
{
position: absolute !important;
top: -9999px !important;
left: -9999px !important;
}
.centerlink {
text-align: center;
}
#block-38
{
margin:0;
position:absolute;
top:1625px;
width:100%;
}
.corporateoffice
{
font-color:black!important;
font-size:20px!important;
white-space:nowrap !important;
}
.officetext
{
font-size:18px!important;
}
/* .fb
{
position:absolute;
left:2px;
text-align:right;
background:white;
position: absolute !important;
top: -9999px !important;
left: -9999px !important;
}*/
.fb-hide
{
position:absolute;
left:2px;
text-align:right;
background:white;
/* background-color:white;
padding:right:40px;
position:absolute
z-index:-1;
*/
}
#block-67
{
display:inline-block;
background-color:white!important;
position:relative;
left:235px;
top:20px;
z-index:2;
}
/*.fb
{
background:white;
}
*/
a.linktext
{
color:#464646 !important; font-size:20px; text-decoration:underlined;
}
a.linktext1
{
color:#464646 !important; font-size:20px; text-decoration:underlined;
}
.block-type-hwr-contact #hwr-contact-27 .hwr-form-title {
line-height:90%;
}
.topfooter
{
margin:0 0 0 0 ;
position:absolute;
top:80px!important;
background:transparent
}
.botfooter
{
margin:0 0 0 0;
float:right;
position:absolute;
top:1px;
right:-330px;
background:transparent;
}
.contact {
position:absolute;
top:640px;
margin-top:100px!important;
}
}
@media only screen (device-height : 568px) and (device-width : 320px)and (-webkit-min-device pixel-ratio: 2)and (orientation : landscape)/*iphone 5*/
{
.container
{
/* height:100%;*/
width:100%;
text-align:center;
background-color:white;
/*display:inline-block;*/
}
.square
{
margin:auto;
width:15em;
text-align:left;
/* display:inline-block;*/
}
.botfooter
{
float:right;
position:absolute;
top:2px;
right:20px;
}
}
@media screen and (min-width: 320px) and (max-width: 480px)/*small devices*/
{
.hide/*logo*/
{
margin-top:10%;
margin-bottom:2px;
display:block;
}
a.linktext2
{
position: absolute !important;
top: -9999px !important;
left: -9999px !important;
}
.container{
width:100%;
text-align:left;
height:auto;
background-color:white;
}
.square{
margin:auto;
width:100%;
text-align:left;
display:inline-block;
background-color:white;
}
.words
{
color:white;
font-size:18px;
text-align:center;
background-color:#990913;
width:100%;
height:150px;
}
.title
{
width:100%;
}
#block-73 li.widget
{
margin-top:30%;
}
#block-66
{
position: relative;
top: 55px;
padding-left:60%;
font-weight:bold !important;
z-index:2;
line-height:4px;
}
.phonenum
{
background-color:white;
/*padding:right:40px;*/
position:absolute;
top:-3px;
z-index:-1;
}
.insideimg
{
/* align:center;*/
/* position:absolute;*/
/*top:300px;*/
height:120px;
width:140px;
float:right;
}
.centerlink {
text-align: center;
}
.footer
{
color:black!important;
font-size:20px;
}
.fb
{
background:white;
}
.fb-hide
{
position: absolute !important;
top: -9999px !important;
left: -9999px !important;
}
.insideimg
{
/* align:center;*/
/* position:absolute;*/
/*top:300px;*/
height:auto;
float:right;
}
}
答案 0 :(得分：1)
您的媒体查询中可能缺少“and”字样的空格。根据W3C，它的格式错误：http://www.w3.org/TR/css3-mediaqueries/#error-handling
因此：
@media only screen and (max-width: 500px)and (orientation:landscape)/*iphone 4*/{
应该是
@media only screen and (max-width: 500px) and (orientation:landscape)/*iphone 4*/{