Mobile user agent causes responsive design not to work












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I'm part of a team that has developed a portal application which contains responsive design CSS. The responsive breakpoints don't seem to apply when using a mobile device, or when using the device toolbar in Chrome to simulate this.



The screenshots below show the desired behavior when shrinking the viewport of a desktop browser:



1053 width - well away from breakpoint



771 width - just outside of 768 breakpoint



767 width - just within breakpoint and single-column view showing



575 width - well within breakpoint, single-column view showing



These four screens show the behavior we need to see, with the leftmost panel disappearing and the rightmost panel taking up the entire viewport below 768 screen width, but this only works on desktop browsers. Mobile behavior is shown with the device toolbar enabled:



1053 mobile - design looks similar



771 mobile - 100% and no auto-zoom enabled



767 mobile - inside breakpoint, but zoom is already happening



575 mobile - well inside breakpoint, site zoomed rather than responsive



Can anyone help me identify why the responsive CSS that works fine on the desktop does not activate for identical aperture widths on mobile? Is this a user agent issue?










share|improve this question



























    0















    I'm part of a team that has developed a portal application which contains responsive design CSS. The responsive breakpoints don't seem to apply when using a mobile device, or when using the device toolbar in Chrome to simulate this.



    The screenshots below show the desired behavior when shrinking the viewport of a desktop browser:



    1053 width - well away from breakpoint



    771 width - just outside of 768 breakpoint



    767 width - just within breakpoint and single-column view showing



    575 width - well within breakpoint, single-column view showing



    These four screens show the behavior we need to see, with the leftmost panel disappearing and the rightmost panel taking up the entire viewport below 768 screen width, but this only works on desktop browsers. Mobile behavior is shown with the device toolbar enabled:



    1053 mobile - design looks similar



    771 mobile - 100% and no auto-zoom enabled



    767 mobile - inside breakpoint, but zoom is already happening



    575 mobile - well inside breakpoint, site zoomed rather than responsive



    Can anyone help me identify why the responsive CSS that works fine on the desktop does not activate for identical aperture widths on mobile? Is this a user agent issue?










    share|improve this question

























      0












      0








      0








      I'm part of a team that has developed a portal application which contains responsive design CSS. The responsive breakpoints don't seem to apply when using a mobile device, or when using the device toolbar in Chrome to simulate this.



      The screenshots below show the desired behavior when shrinking the viewport of a desktop browser:



      1053 width - well away from breakpoint



      771 width - just outside of 768 breakpoint



      767 width - just within breakpoint and single-column view showing



      575 width - well within breakpoint, single-column view showing



      These four screens show the behavior we need to see, with the leftmost panel disappearing and the rightmost panel taking up the entire viewport below 768 screen width, but this only works on desktop browsers. Mobile behavior is shown with the device toolbar enabled:



      1053 mobile - design looks similar



      771 mobile - 100% and no auto-zoom enabled



      767 mobile - inside breakpoint, but zoom is already happening



      575 mobile - well inside breakpoint, site zoomed rather than responsive



      Can anyone help me identify why the responsive CSS that works fine on the desktop does not activate for identical aperture widths on mobile? Is this a user agent issue?










      share|improve this question














      I'm part of a team that has developed a portal application which contains responsive design CSS. The responsive breakpoints don't seem to apply when using a mobile device, or when using the device toolbar in Chrome to simulate this.



      The screenshots below show the desired behavior when shrinking the viewport of a desktop browser:



      1053 width - well away from breakpoint



      771 width - just outside of 768 breakpoint



      767 width - just within breakpoint and single-column view showing



      575 width - well within breakpoint, single-column view showing



      These four screens show the behavior we need to see, with the leftmost panel disappearing and the rightmost panel taking up the entire viewport below 768 screen width, but this only works on desktop browsers. Mobile behavior is shown with the device toolbar enabled:



      1053 mobile - design looks similar



      771 mobile - 100% and no auto-zoom enabled



      767 mobile - inside breakpoint, but zoom is already happening



      575 mobile - well inside breakpoint, site zoomed rather than responsive



      Can anyone help me identify why the responsive CSS that works fine on the desktop does not activate for identical aperture widths on mobile? Is this a user agent issue?







      responsive-design viewport user-agent mobile-website






      share|improve this question













      share|improve this question











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      asked Nov 25 '18 at 18:46









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