How to say that you need to turn your mobile phone in javascript/css? [closed]

Tags: javascript,html,css,css3

Problem :

I have a website wich you can only view on a horizontal way. But i don't know how to block it if it is vertical. I just can't figure out... Can anyone help me with this?

Solution :

You can do this in CSS by hiding/showing dependant on orientation

<style type="text/css">
    #warning-message { display: none; }
    @media only screen and (orientation:portrait){
        #wrapper { display:none; }
        #warning-message { display:block; }
    @media only screen and (orientation:landscape){
        #warning-message { display:none; }


<div id="wrapper">
    <!-- your html for your website -->
<div id="warning-message">
    this website is only viewable in landscape mode

SOURCE forcing web-site to show in landscape mode only

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