.side-booking-btn{
    position:fixed;
    right:0;
    top:50%;
    transform:translateY(-50%);

    width:40px;
    height:180px;

    background:linear-gradient(
        180deg,
        #5b5cff,
        #8b5cf6
    );

    color:#fff;
    text-decoration:none;

    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;

    gap:12px;
    border-radius:15px 0 0 15px;

    z-index:9999;

    box-shadow:
    0 0 25px rgba(91,92,255,.35);

    transition:.3s ease;
}

.side-booking-btn:hover{
    width:70px;
    box-shadow:
    0 0 35px rgba(139,92,246,.55);
}

.side-booking-btn i{
    font-size:24px;
}

.side-booking-btn span{
    writing-mode:vertical-rl;
    transform:rotate(0deg);
    font-size:13px;
    font-weight:700;
    letter-spacing:1px;
}