解决iphone横屏时字体变大问题或者内容大小不一样等

在样式表中增加：

@media screen and (max-device-width: 320px){body{-webkit-text-size-adjust:none}}

@media screen and (max-device-width: 480px){body{-webkit-text-size-adjust:none}}

@media only screen and (-webkit-min-device-pixel-ratio: 2){body{-webkit-text-size-adjust:none}}

@media only screen and (min-device-width: 768px) and (max-device-width: 1024px){body{-webkit-text-size-adjust:none}}