styles.css

.chartsview-donation {
  width: fit-content;
  margin: 25px auto;
  text-align: center;
  position: absolute;
  left: 200px;
  right: 0;
  bottom: 0;
}

.chartsview-donation a.paypal {
  display: inline-block;
}

.chartsview-thumbnail-container.is-selected .chartsview-thumbnail {
  display: unset;
  position: fixed;
  top: 0;
  right: 0;
}

.chartsview-thumbnail-container .chartsview-thumbnail {
  display: none;
}

/* #### Desktops #### */
@media screen and (min-width: 1024px) {
  .chartsview-thumbnail-container .chartsview-thumbnail img {
    width: 500px;
  }
}

/* #### Mobile Phones Portrait or Landscape #### */
@media screen and (max-device-width: 640px) {
  .chartsview-thumbnail-container .chartsview-thumbnail img {
    width: 300px;
  }
}

.chartsview-export-button {
  padding: 5px;
  position: relative;
  width: fit-content;
  display: flex;
  opacity: 0;
  transition: opacity 500ms;
  background-color: var(--interactive-accent);
  color: var(--text-on-accent);
  border-radius: 5px;
  cursor: pointer;
}

.block-language-chartsview:hover .chartsview-export-button {
  opacity: 1;
}