.Btn {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 45px;
  height: 45px;
  border: none;
  border-radius: 50%;
  cursor: grab;
  overflow: hidden;
  transition-duration: 0.3s;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.199);
  background-color: #00d757;
  text-decoration: none;
  user-select: none;
  touch-action: none;
}

.Btn.dragging {
  transition-duration: 0s;
  cursor: grabbing;
}

.sign {
  width: 100%;
  transition-duration: 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sign svg {
  width: 25px;
  height: 25px;
}

.sign svg path {
  fill: white;
}

.text {
  position: absolute;
  right: 0;
  width: 0;
  opacity: 0;
  color: white;
  font-size: 1.2em;
  font-weight: 600;
  transition-duration: 0.3s;
  white-space: nowrap;
}

.Btn:hover {
  width: 150px;
  border-radius: 40px;
  transition-duration: 0.3s;
}

.Btn:hover .sign {
  width: 30%;
  transition-duration: 0.3s;
  padding-left: 10px;
}

.Btn:hover .text {
  opacity: 1;
  width: 70%;
  transition-duration: 0.3s;
  padding-right: 10px;
}

.Btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(0, 215, 87, 0.28), 2px 2px 10px rgba(0, 0, 0, 0.199);
}

.Btn:active {
  transform: translate(2px, 2px);
}

@media (max-width: 640px) {
  .Btn {
    right: 14px;
    bottom: 14px;
  }
}