Check out example codes for "how to configure buttons in css". It will help you in understanding the concepts better.

Code Example 1

div.wpforms-container-full .wpforms-form button[type=submit] {
color: #0099CC; /* Text color */
background-color: transparent; /* Remove background color */
border: 2px solid #0099CC; /* Border thickness, line style, and color */
border-radius: 5px; /* Adds curve to border corners */
text-transform: uppercase; /* Make letters uppercase */

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