StackOverflow https://stackoverflow.com/questions/1080532/prevent-default-behavior-in-text-input-while-pressing-arrow-up

StackOverflow https://stackoverflow.com/questions/23160335/how-do-i-skip-over-an-input-when-tabbing-through-a-form

StackOverflow https://stackoverflow.com/questions/12567200/multiple-legends-for-the-same-aesthetic

StackOverflow https://stackoverflow.com/questions/3113965/programmatically-make-a-header-item-hot-or-selected

StackOverflow https://stackoverflow.com/questions/5728250/how-do-i-replicate-the-red-delete-button-from-the-contacts-application-i-e-in

StackOverflow https://stackoverflow.com/questions/47603103/make-enter-return-key-submit-a-form-and-execute-function

GitHub Repo https://github.com/Sochy27/Button-Riple-Effect

StackOverflow https://stackoverflow.com/questions/7635223/at-some-zoom-levels-dropdown-menu-has-transparent-gaps-in-ie7

StackOverflow https://stackoverflow.com/questions/5575555/disable-enter-key-until-user-inputs-a-character

StackOverflow https://stackoverflow.com/questions/74696802/how-to-center-reactive-box-in-rshiny

StackOverflow https://stackoverflow.com/questions/12607326/how-to-preserve-the-default-button-appearance-behavior-when-binding-evt-left-dow