How do I make the Search input field placeholder text smaller for 7.1?

Site URL: https://www.healthhavenmd.com/shop

How do I make the Search input field placeholder text smaller for 7.1? And how do I change the color as well? Thank you!!!

Never mind! Figured it out. Added this to custom CSS.

  /* Search page input font */
.sqs-block-search input {
    font-size: 15px;
}