.bde-back-to-top {
  --bde-back-to-top-width: 60px;
  --bde-back-to-top-height: 60px;
  --bde-back-to-top-animation-duration: 300ms;
}


.bde-back-to-top.is-sticky {
  position: fixed;
  bottom: 0;
  right: 0;
  z-index: var(--bde-z-index-back-to-top);
  margin: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.bde-back-to-top--icon {  
  width: var(--bde-back-to-top-width);
  height: var(--bde-back-to-top-height);
}

.bde-back-to-top__button  {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  transition: all ease;
  transition-duration: var(--bde-back-to-top-animation-duration);
  transform-origin: center;
  cursor: pointer;
  position: relative;
  z-index: 20;
  gap: 8px;
}

.bde-back-to-top--icon .bde-back-to-top__button,
.bde-back-to-top--progress .bde-back-to-top__button {
  width: var(--bde-back-to-top-width);
  height: var(--bde-back-to-top-height);
  border-radius: 50%;
}

.bde-back-to-top--icon .bde-back-to-top__button,
.bde-back-to-top--text .bde-back-to-top__button {
  background: var(--grey-900);
}

.bde-back-to-top--icon .bde-back-to-top__button:hover,
.bde-back-to-top--text .bde-back-to-top__button:hover {
  background: var(--grey-700);
}

.bde-back-to-top--text .bde-back-to-top__button  {
  padding: 16px;
  border-radius: 8px;
}

.bde-back-to-top__text {
  line-height: 1;
  color: #fff;
  text-transform: uppercase;
  font-weight: 600;
}

.bde-back-to-top__icon-wrap > svg {
  font-size: inherit;
  width: 1em;
  height: 1em;
  stroke-width: 0;
  stroke: currentColor;
  fill: currentColor;
}

.bde-back-to-top__icon-wrap {
  display: flex;
  font-size: 20px;
  transition: all .2s ease;
}

.bde-back-to-top--icon .bde-back-to-top__icon-wrap {
  color: #fff;
}

.bde-back-to-top--progress .bde-back-to-top__icon-wrap {
   color: var(--grey-900);
}

.bde-back-to-top--text .bde-back-to-top__icon-wrap {
   color: #fff;
}

.bde-back-to-top--icon .bde-back-to-top__button:hover .bde-back-to-top__icon-wrap {
  font-size: 24px;
}

/* SVG Tracker */
.bde-back-to-top__progress-svg {
  position: absolute;
  z-index: 30;
  width: 100%;
  height: 100%;
  fill: none; 
  overflow: visible;
}

.bde-back-to-top__progress-svg path {
  stroke: var(--grey-200);
  stroke-width: 5;
  box-sizing: border-box;
  transition: all 200ms linear;
  stroke-linecap: round;
}

.bde-back-to-top__progress-svg path.tracker {
  stroke: var(--grey-900);
}



/* Animations */

.bde-back-to-top__button--animation-fade.is-sticky {
  opacity: 0;
}

.bde-back-to-top__button--animation-fade.is-visible {
  opacity: 1;
}

.bde-back-to-top__button--animation-zoom.is-sticky {
   opacity: 0;
   transform: scale(0.3);
}

.bde-back-to-top__button--animation-zoom.is-visible {
  opacity: 1;
  transform: scale(1);
}

.bde-back-to-top__button--animation-slide-up.is-sticky {
  opacity: 0;
  transform: translateY(100%);
}

.bde-back-to-top__button--animation-slide-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.bde-back-to-top__button--animation-slide-right.is-sticky {
  opacity: 0;
  transform: translateX(-100%);
}

.bde-back-to-top__button--animation-slide-right.is-visible.is-sticky {
  opacity: 1;
  transform: translateX(0);
}

.bde-back-to-top__button--animation-slide-left {
  opacity: 0;
  transform: translateX(100%);
}

.bde-back-to-top__button--animation-slide-left.is-visible.is-sticky {
  opacity: 1;
  transform: translateX(0);
}

.bde-back-to-top__button--show-always.is-sticky {
  opacity: 1;
  transform: none;
}

.bde-back-to-top__button--autohide.is-sticky.is-top  {
  opacity: 0;
  transform: none; 
}