Skip to content

DigitalOcean provides cloud products for every stage of your journey. Get started with $200 in free credit!

Discover 15+ CSS Alert Boxes That Are Even Better Than JavaScript Alerts

    CSS Alert Boxes

    CSS Alert Boxes are an easy way to add a pop-up window to your website. This can be used for a variety of uses, including:

    A site notification that something has happened

    A message that is being sent to your users via email

    A warning about an important security issue on your site

    See the Pen Pure HTML + CSS alerts with dismiss. by Robert Lemon (@rlemon) on CodePen.

    Title:- Pure HTML + CSS alerts with dismiss.
    Author:- Robert Lemon
    Made with :- HTML CSS JS

    See the Pen Simple css alerts by Stanislav (@golcinho) on CodePen.

    Title:- Simple css alerts
    Author:- Stanislav
    Made with :- HTML CSS JS

    See the Pen Icons Sweet Alert Personnalisé by KAM3LEON (@Kam3leoN) on CodePen.

    Title:- Icons Sweet Alert Personnalisé
    Author:- KAM3LEON
    Made with :- HTML CSS JS

    See the Pen CSS Alert Box by mskashef (@mskashef) on CodePen.

    Title:- CSS Alert Box
    Author:- mskashef
    Made with :- HTML CSS JS

    See the Pen Daily UI#011 | Flash Message (Error/Success) by Julie Park (@juliepark) on CodePen.

    Title:- Daily UI#011 | Flash Message (Error/Success)
    Author:- Julie Park
    Made with :- HTML CSS JS

    See the Pen error, success, warning and alert Messages by Swarup Kumar Kuila (@uiswarup) on CodePen.

    Title:- error, success, warning and alert Messages
    Author:- Swarup Kumar Kuila
    Made with :- HTML CSS JS

    See the Pen Error, Success, Warning and Info Messages by Alex Dobson (@DobsonDev) on CodePen.

    Title:- Error, Success, Warning and Info Messages
    Author:- Alex Dobson
    Made with :- HTML CSS JS

    See the Pen Simple Confirmation Popup by Adventures in Missions (@adventuresinmissions) on CodePen.

    Title:- Simple Confirmation Popup
    Author:- Adventures in Missions
    Made with :- HTML CSS JS

    See the Pen Simple Register Form with AngularJS & Material Design by Sylvain MARTIN (@sylvmrtn) on CodePen.

    Title:- Simple Register Form with AngularJS & Material Design
    Author:- Sylvain MARTIN
    Made with :- HTML CSS JS

    See the Pen Google Maps Example: Nightly by Ionic (@ionic) on CodePen.

    Title:- Google Maps Example: Nightly
    Author:- Ionic
    Made with :- HTML CSS JS

    See the Pen Notifications, Alerts, Modals by DevTips (@devtips) on CodePen.

    Title:- Notifications, Alerts, Modals
    Author:- DevTips
    Made with :- HTML CSS JS

    See the Pen SweetAlert2 by Rio Dwi Prabowo (@riyos94) on CodePen.

    Title:- SweetAlert2
    Author:- Rio Dwi Prabowo
    Made with :- HTML CSS JS

    See the Pen Pure CSS Option ( radio & checkbox ) No JS by Aron (@aron-tw) on CodePen.

    Title:- Pure CSS Option ( radio & checkbox ) No JS
    Author:- Aron
    Made with :- HTML CSS JS

    See the Pen Generate Bootstrap Alerts with Javascript by Cody Sechelski (@codysechelski) on CodePen.

    Title:- Generate Bootstrap Alerts with Javascript
    Author:- Cody Sechelski
    Made with :- HTML CSS JS

    See the Pen Loading like iOS by ks9 (@koheishingai) on CodePen.

    Title:- Loading like iOS
    Author:- ks9
    Made with :- HTML CSS JS

    See the Pen Modern Alerts by MohammadReza keikavousi (@keikaavousi) on CodePen.

    Title:- Modern Alerts
    Author:- MohammadReza keikavousi
    Made with :- HTML CSS JS

    See the Pen Error message banner by Guillaume (@gumariot) on CodePen.

    Title:- Error message banner
    Author:- Guillaume
    Made with :- HTML CSS JS

    See the Pen #011 UI daily challenge – flash message by Dragos Nedelcu (@dragos193) on CodePen.

    Title:- #011 UI daily challenge – flash message
    Author:- Dragos Nedelcu
    Made with :- HTML CSS JS

    See the Pen Message Types by Chris Burnell (@chrisburnell) on CodePen.

    Title:- Message Types
    Author:- Chris Burnell
    Made with :- HTML CSS JS

    See the Pen Warning, Info and Error css by Audun (@audedesigns) on CodePen.

    Title:- Warning, Info and Error css
    Author:- Audun
    Made with :- HTML CSS JS

    See the Pen Password error animation by Aaron Iker (@aaroniker) on CodePen.

    Title:- Password error animation
    Author:- Aaron Iker
    Made with :- HTML CSS JS