.clipboard_helper-container {
  position: relative;
}

.clipboard_helper-button {
  z-index: 1;
  position: absolute;
  top: 0;
  right: 1em; /* default right margin of .autoscroll */
  width: 24px;
  height: 24px;

  background-color: transparent;
  background-image: url(../images/page_white_paste.png);
  background-repeat: no-repeat;
  background-size: 16px;
  background-position: center center;

  border: 1px solid #e2e2e2;
  border-radius: 3px;

  cursor: pointer;

  opacity: 0;
  transition: opacity 0.5s;

  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.clipboard_helper-container:hover .clipboard_helper-button {
  opacity: 1;
}

@media screen and (max-width: 899px) {
  .clipboard_helper-button {
    opacity: 1;
  }
}