*{
    margin: 0;
    padding: 0;
    box-sizing: border-box !important;
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-style: normal;
    letter-spacing: -1px;
  }
#scrollToTopBtn {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#scrollToTopBtn.show {
    opacity: 1;
    visibility: visible;
}
.show {
    display: block !important;
}