There may be some logic issues in the mobile theme variation code. This was used before 'responsive' theme frameworks like Bootstrap 2 and 3 were available. This is only an issue with a theme that uses a mobile variation such as simpletheme. Some 'conflicts' may be occurring (doesn't respond logically) between:
expTheme::is_mobile() determination by browser type
clicking on the 'Switch to Classic View' link at the bottom of the page
There may be some logic issues in the mobile theme variation code. This was used before 'responsive' theme frameworks like Bootstrap 2 and 3 were available. This is only an issue with a theme that uses a mobile variation such as simpletheme. Some 'conflicts' may be occurring (doesn't respond logically) between: