span.plugin-spoiler {
  display: inline-block;
}

.plugin-spoiler {
  position: relative;
}
.plugin-spoiler[data-mode=hover] {
  filter: blur(4px);
}
.plugin-spoiler[data-mode=hover]:hover {
  filter: blur(0);
}
.plugin-spoiler .spoiler-overlay {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -webkit-backdrop-filter: blur(4px);
          backdrop-filter: blur(4px);
}
.plugin-spoiler .spoiler-check:checked + .spoiler-overlay {
  display: none;
}
.plugin-spoiler > p {
  padding: 0 8px;
}