.tp-copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 6px;
    color: #555;
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    margin-left: 6px;
    transition: background 0.2s;
}
.tp-copy-btn:hover {
    background: rgba(0,0,0,0.08);
}