style.css

/* Center the input box */
#username_input {
    margin: auto;
    display: block;
    text-align: center;
    width: 50%;
}

/* Center the submit button */
.gr-button {
    margin: auto;
    display: block;
}

/* Adjust output DataFrame styling */
.output-dataframe {
    margin-top: 20px;
}