I like to create a send button on streamlit, the user click the button it should send the data or something to do (i.e. download or load), the animation of the button should be like this https://codepen.io/Baghi_9999/pen/zYmKjgo
I’m not sure which button on the linked page you’re referencing. Regardless, the best way to implement this in Streamlit would likely be via a custom component. Check out the following resources on how to build a component: