Tutos comment ça marche
https://www.commentcamarche.net/contents/webmasters-4

Gradient animator background
https://www.gradient-animator.com/
10 Snippets for Creating Unique Background Effects with CSS
https://speckyboy.com/css-background-effects/
Text Shadow CSS Generator
https://html-css-js.com/css/generator/text-shadow/
Button Generator
https://www.bestcssbuttongenerator.com/#/28
CSS3 Generator
http://css3generator.com/
Neon Glow
https://codepen.io/FelixRilling/pen/qzfoc
Test font
http://scratchpad.io/whimsical-picture-8062
Appliquer des filtres à des images en CSS3
https://yesyouweb.com/filtres-images-css3/
Comment créer des lignes diagonales en CSS3
http://41mag.fr/comment-creer-des-lignes-diagonales-en-css3.html
Comment centrer un bloc avec du CSS
https://maxdesign.developpez.com/tutoriels/css/centrer-bloc/
CSS Golden buttons
https://codepen.io/rcherem/pen/Kxpgdr
Gold Gradient Examples
http://cssdeck.com/labs/mfqb3utw
CSS button generator
https://www.cssgenerators.net/index.php?lang=fr
Gradient Text
https://css-tricks.com/snippets/css/gradient-text/
90 CSS3 Button examples with cool Hover effects
https://saruwakakun.com/en/css3-buttons
positionner image dans une div ?
https://www.developpez.net/forums/d1005392/webmasters-developpement-web/mise-page-css/positionner-image-div/
Bloquer le background
https://openclassrooms.com/forum/sujet/bloquer-le-background

Custom Scrollbars in WebKit
https://css-tricks.com/custom-scrollbars-in-webkit/
Stop div container from resizing
https://stackoverflow.com/questions/13788192/stop-div-container-from-resizing
webkit-scroll-gen
http://webkit-scroll-gen.sourceforge.net/
positionner image dans une div ?
https://www.developpez.net/forums/d1005392/webmasters-developpement-web/mise-page-css/positionner-image-div/