These icons are used from these links:
https://www.iconfinder.com/icons/381599/error_icon
https://icons.webtoolhub.com/icon-n79479-detail.aspx
https://simpleicon.com/link-2.html
https://uxwing.com/positive-feedback-icon/
https://freeiconshop.com/icon/download-cloud-icon-flat/
https://icon-icons.com/icon/megaphone-announce/57405
https://icon-icons.com/icon/configuration-edit-gear-options-preferences-setting-settings/122525