Cards are 100% CSS, and buttons are an icon font consisting only of the icons used. The deck is a list with an id of deck. Each card is a list item containing a div ...
Citation: Anonthanasap, O., He, C., Takashima, K., Leelanupab, T., & Kitamura, Y. (2014). Mnemonic-based interactive interface for second-language vocabulary learning ...