Here is a list of CSS paper effects to inspire you.
CSS3 paper effect
Dev: Nomack
CSS Stacked Paper Effect
Dev: Messiah7
Old parchment
Dev: Christophe67
Shuffled paper effect
Dev: George Offley
Ripped Paper Effect
Dev: Makonnen Dos Santos
CSS3 Paper-edge effect
Dev: Felix Schwarzer
CSS Stacked Paper Effect
Dev: Michael MartinSmucker
Folding paper CSS3 animation
Dev: Vadim Hermann
Paper Textarea
Dev: Marc Malignan
CSS3 Paper Fold
Dev: Jesse Wells
Notebook Paper
Dev: Amanda Williamson
Paper
Dev: Ruphaa Ganesh
Paper
Dev: Camila Waz
Paper
Dev: magnificode
Paper with sellotaped corners
Dev: Suzanne Aitchison
Pinned card
Dev: Suzanne Aitchison
CSS Notepad
Dev: Hailey Skelcher
CSS Notepad
Dev: Juan Primo
CSS Notepad
Dev: Isaac Young
CSS Notepad Paper
Dev: Charlotte Dann
Notepad
Dev: Timothy Miller
Pure CSS Notepad
Dev: James Barnett
Pure CSS Paper Lift Effect
Dev: Martin Wolf