5.7: ui improvements

- padding (everywhere) has been slightly reduced to fit in more content.
- padding is now consistent across ui.
- added more info to the "how to save" popup for ios devices.
- crypto wallet press-to-copy buttons now look like buttons.
- improved looks for smallest screens (iphone 5, 5s, se, etc).

src/localization/languages/en.json

@@ -47,7 +47,7 @@
         "SettingsQualityDescription": "if selected quality isn't available, closest one is used instead.",
         "LinkGitHubChanges": ">> see previous commits and contribute on github",
         "NoScriptMessage": "{appName} uses javascript for api requests and interactive interface. you have to allow javascript to use this site. there are no pesty scripts, pinky promise.",
-        "DownloadPopupDescriptionIOS": "press and hold the download button, hide the video preview, and then select \"download linked file\" to save.",
+        "DownloadPopupDescriptionIOS": "easiest way to save videos on ios:\n1. add <a class=\"text-backdrop italic\" href=\"{saveToGalleryShortcut}\" target=\"_blank\">this siri shortcut</a>.\n2. press \"share\" above and select \"save to photos\" in appeared share sheet.\nif asked, review the permission request popup on top, and press \"always allow\".\n\nalternative method: press and hold the download button, hide the video preview, and select \"download linked file\" to download.\nthen, open safari downloads, select the file you downloaded, open share menu, and finally press \"save video\".",
         "DownloadPopupDescription": "download button opens a new tab with requested file. you can disable this popup in settings.",
         "DownloadPopupWayToSave": "pick a way to save",
         "ClickToCopy": "press to copy",