public/test.css

a[href*='https://github.com/Chainlit/chainlit'] {
        visibility: collapse;/* Hides the original text */
        position: relative;
}
    
a[href*='https://github.com/Chainlit/chainlit']::after {
        content: "If you want to change the quiz topic, scroll up and hit the appropiate button!"; /* New text to display */
        visibility: visible;
        color: white; /* Color of the new text */
        width: 100%;
        height: 100%;
        font-size: 13px;
        cursor: pointer;
 }