Make the page mobile friendly

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Currently the page does not look too good on mobile devices. Therefore we need to redesign the page. Especailly the page where data can be uploaded from mobile devices

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Also tweak UI so it looks a bit nicer.

• Remove all the ids that are not necessary (e.g. on the labeling-page)

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Also improve the user experience

• Allow enter to "click" save in modals / registration page / login
• Make Cancel / Save Buttons consistent across the page (Save button on the right / cancel on the left)

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• Card design needs to be unique across the page

Mobile recording page:

• Add cards with sensorName, sampleRate and components
• Make record button floating so its always visible

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• When recording data on the mobile page, first check for sensors and then show the sensors available in the sensor-selection-table: First try to collect data with all sensors to see which work.