fix paddings for all dialog pages
stretch drm table
Revert "Revert "remove dumb wrapper around panel""

This reverts commit 9bd7409621c448666524996a8eb759f9a3115476.
add another wrapper uploadcare-dialog-inner-wrap to control width
simple tabs dropdown, simple mobile look
remove two dumb wrappers inside window
move white-space: nowrap inside vertical-centered mixin
Add labels to tabs
use css for hiding tabs and panes
move mobile styles to separate file
uploadcare-no-draganddrop is default behavior and does not required
fix preview icon (new class uploadcare-dialog-icon)
do not show drag and drop prompt on mobile view
return float for tabs
show icons for selected tab
localization changed
hidden does not affect on iframes. use opacity instead
100% height for dialog content and position fixed for menu
bg moved to body
dpm styles
finally fix iframes