pytest_src/report/plugins/screen-diff/styles.css

.screen-diff__switchers {
  margin-bottom: 1em;
}

.screen-diff__switchers label + label {
  margin-left: 1em;
}

.screen-diff__overlay {
  position: relative;
  cursor: col-resize;
}

.screen-diff__container {
  overflow-x: auto;
}

.screen-diff__image-over {
  top: 0;
  left: 0;
  bottom: 0;
  background: #fff;
  position: absolute;
  overflow: hidden;
  box-shadow: 2px 0 1px -1px #aaa;
}

.screen-diff-error {
  color: #fd5a3e;
}