.floating-button {
  position: fixed;
  right: 0px;
  top: 30%;
  transform: translateY(-50%);
  width: 40px;
  height: 225px;
  background-color: #6896c2;
  color: #6896c2;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.floating-button:focus {
  outline: none;
}

.button-content {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}