#stt-btn-571d460e {
    position: fixed;
    bottom: 20px;
    z-index: 9999;
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

#stt-btn-571d460e.stt-visible {
    opacity: 1;
    visibility: visible;
}

/* Slide Animation */
#stt-btn-571d460e.stt-anim-slide {
    transform: translateY(100px);
}
#stt-btn-571d460e.stt-anim-slide.stt-visible {
    transform: translateY(0);
}

/* Hover effect */
#stt-btn-571d460e:hover {
    filter: brightness(1.1);
    transform: translateY(-5px);
}
#stt-btn-571d460e.stt-anim-slide.stt-visible:hover {
    transform: translateY(-5px);
}