How to add text under button

To add a text under button, like this.

We can add a Text Block under Button Block, but in this case, I will use CSS code.

#1. First, find Button Block ID.

#2. Next, use code like this to Custom CSS.

#block-0ea39533e808d86bb773:after {
    content: "No credit card · Go live in minutes";
    font-size: 18px;
    color: #000;
    display: block;
    text-align:center;
}