Customizing buttons

Hi!

I have several buttons on the same page and I would like them to be different in background color and font color.

So; how can I switch a single buttons background color and font color?

Can you share link to page where you use these buttons?

@tuanphan

https://orchid-deer-93zh.squarespace.com

Add to Home > design > custom CSS

/* button 1 */
div#block-yui_3_17_2_1_1585996930778_15664 a {
    color: red;
    background: black;
}
/* button 2 */
div#block-yui_3_17_2_1_1585996930778_16772 a {
    background: #f5b6b8;
    color: white;
}
/* button 3 */
div#block-yui_3_17_2_1_1585996930778_17893 a {
    background: #ffe600;
    color: violet;
}