style.css

section[data-testid="stSidebar"] div.stButton button {
    border: none;
    color: white;
    padding: auto; /* Adjust padding */
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    margin: -2px -2px;
    transition-duration: 0.4s;
    cursor: pointer;
    border-radius: 10px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.5);
    min-width: 200px; /* Set minimum width */
    height: auto;
    white-space: normal; /* Allow long text to wrap */
    word-wrap: break-word; /* Allow long text to wrap */
}

section[data-testid="stSidebar"] div.stButton button:hover {
    background-color: black; /* Darker green on hover */
}