.fixed_btn,
.back-to-top {
  position: fixed !important;
  right: 20px !important;
  bottom: 24px !important;
  left: auto !important;
  top: auto !important;
  z-index: 3000 !important;
}

.fixed_btn {
  transition: opacity 0.4s ease;
  transform: translateY(0);
  border: 1px solid #000 !important;
  background-color: #fff !important;
  border-radius: 0 !important;
  color: #000 !important;
  width: 48px;
  height: 48px;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
}

.fixed_btn[data-fade="true"] {
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.25s ease;
}

.back-to-top {
  transition: opacity 0.4s ease;
}