【发布时间】：2017-05-29 08:19:27
【问题描述】：
我对开发 HTML 电子邮件很陌生，但我在媒体查询方面遇到了问题。
这是正在发生的事情：当我完成电子邮件开发并调整屏幕大小以检查它是否响应时，它按计划工作并适应任何屏幕尺寸。但是，在使用 MailChimp 发送测试电子邮件以查看电子邮件是否真正响应后，我发现移动应用程序（例如 Outlook 和 Gmail）实际上并没有使电子邮件大小适应屏幕大小。
他们实际上使字体和图像更小，以便整个内容像笔记本电脑一样适合
有谁知道为什么会发生这种情况以及如何阻止它？
这是我的head 标签：
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>PROMONOTICIAS</title>
<style type="text/css">
/* Client-specific Styles */
#outlook a {padding:0;} /* Force Outlook to provide a "view in browser" menu link. */
body{width:100% !important; -webkit-text-size-adjust:100%; -ms-text-size-adjust:100%; margin:0; padding:0;}
/* Prevent Webkit and Windows Mobile platforms from changing default font sizes, while not breaking desktop design. */
.ExternalClass {width:100%;} /* Force Hotmail to display emails at full width */
.ExternalClass, .ExternalClass p, .ExternalClass span, .ExternalClass font, .ExternalClass td, .ExternalClass div {line-height: 100%;} /* Force Hotmail to display normal line spacing. More on that: http://www.emailonacid.com/forum/viewthread/43/ */
#backgroundTable {margin:0; padding:0; width:100% !important; line-height: 100% !important;}
img {outline:none; text-decoration:none;border:none; -ms-interpolation-mode: bicubic;}
a img {border:none;}
.image_fix {display:block;}
p {margin: 0px 0px !important;}
table td {border-collapse: collapse;}
table { border-collapse:collapse; mso-table-lspace:0pt; mso-table-rspace:0pt; }
/*a {color: #e95353;text-decoration: none;text-decoration:none!important;}*/
/*STYLES*/
table[class=full] { width: 100%; clear: both; }
/*################################################*/
/*IPAD STYLES*/
/*################################################*/
@media only screen and (max-width: 640px) {
a[href^="tel"], a[href^="sms"] {
text-decoration: none;
color: #ffffff; /* or whatever your want */
pointer-events: none;
cursor: default;
}
.mobile_link a[href^="tel"], .mobile_link a[href^="sms"] {
text-decoration: default;
color: #ffffff !important;
pointer-events: auto;
cursor: default;
}
table[class=devicewidth] {width: 440px!important;text-align:center!important;}
table[class=devicewidthinner] {width: 420px!important;text-align:center!important;}
table[class="sthide"]{display: none!important;}
img[class="bigimage"]{width: 420px!important;height:219px!important;}
img[class="col2img"]{width: 420px!important;height:258px!important;}
img[class="image-banner"]{width: 440px!important;height:106px!important;}
td[class="menu"]{text-align:center !important; padding: 0 0 10px 0 !important;}
td[class="logo"]{padding:10px 0 5px 0!important;margin: 0 auto !important;}
img[class="logo"]{padding:0!important;margin: 0 auto !important;}
}
/*##############################################*/
/*IPHONE STYLES*/
/*##############################################*/
@media only screen and (max-width: 480px) {
a[href^="tel"], a[href^="sms"] {
text-decoration: none;
color: #ffffff; /* or whatever your want */
pointer-events: none;
cursor: default;
}
.mobile_link a[href^="tel"], .mobile_link a[href^="sms"] {
text-decoration: default;
color: #ffffff !important;
pointer-events: auto;
cursor: default;
}
td[class="mobile-title"]{font-size: 15px !important;}
a[class="mobile-text"]{font-size: 16px !important;}
td[class="mobile-disclaimer"]{font-size: 13px !important;}
table[class=devicewidth] {width: 320px !important;text-align:center!important;}
table[class=devicewidthinner] {width: 300px !important;text-align:center!important;}
table[class="sthide"]{display: none!important;}
img[class="bigimage"]{width: 300px !important;height:136px!important;}
img[class="col2img"]{width: 300px !important;height:160px!important;}
img[class="image-banner"]{width: 320px !important;height:68px!important;}
}
</style>
【问题讨论】：