https://dev.opera.com/articles/an-introduction-to-meta-viewport-and-viewport/
http://developer.blackberry.com/playbook/html5/documentation/viewport.html
https://msdn.microsoft.com/en-us/library/windows/desktop/bb152361(v=vs.85).aspx
<meta name="viewport" content="width=device-width, initial-scale=1,user-scalable=no"> <style type="text/css"> .textfield_ { border: 0px;/**/ font-size: 1.5em; 200px; height: 30px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font-weight: bold; background-repeat: no-repeat; background-position: center; color: #42261A; font-family: Arial, Helvetica, sans-serif; } .abc{ 100%;align:right;valign:top;padding-left:50%;} /* 设置了浏览器宽度不大于 2160px 时 abc 显示1200px宽度 */ @media screen and (max- 2160px) { .abc {padding-left:800px;} } /* 设置了浏览器宽度不大于 1080px 时 abc */ @media screen and (max- 1081px) { .abc {padding-left:450px;} } /* 设置了浏览器宽度不大于720px时 abc */ @media screen and (max- 768Px) { .abc {padding-left:330px;} } /* 设置了浏览器宽度不大于720px时 abc */ @media screen and (max- 720px) { .abc {padding-left:300px;} } /* 设置了浏览器宽度不大于500px时 abc */ @media screen and (max- 640px) { .abc {padding-left:250px;} .textfield_{font-size: 1.1em;150px; height: 18Px;} } /* 设置了浏览器宽度不大于500px时 abc */ @media screen and (max- 414px) { .abc {padding-left:160px;} .textfield_{font-size: 1.0em;150px; height: 18Px;} } /* 设置了浏览器宽度不大于500px时 abc */ @media screen and (max- 320px) { .abc {padding-left:120px;} .textfield_{font-size: 0.9em;150px; height: 18Px;} } </style> </head> <body topmargin="0" leftmargin="0" rightmargin="0" bgcolor="#ffffff" marginheight="0" marginwidth="0"> <div align="center"><img width="100%" src="images/top.png" border="0"></div> <div style="float:left;position:absolute;align:center;z-index:9;padding-top:11%;"> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td class="abc"> <input class="textfield_" name="textfield" type="text" id="textfield" value="10330" height="14" /> </td> </tr> <tr height="8px;"> <td colspan="2"></td> </tr> <tr > <td class="abc"> <input class="textfield_" name="textfield2" type="text" id="textfield2" value="210000055878781" height="14" /> </td> </tr> </table> </div> <div style="align:center;float:left;z-index:-1;" ><img width="100%" src="images/mid.png" border="0"> </div> <div align="center"><img width="100%" src="images/buttom.png" border="0"></div>