pdf.js/test/annotation_layer_builder_overrides.css

/* Copyright 2017 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* Overrides to make the annotation layer visible for reference testing. */

.annotationLayer {
  position: absolute;
}

.annotationLayer .wasCanvas {
  width: 100%;
  height: 100%;
  position: absolute;
}

.annotationLayer .buttonWidgetAnnotation:is(.checkBox, .radioButton) input {
  -webkit-appearance: none;
}

.annotationLayer :is(.linkAnnotation, .buttonWidgetAnnotation.pushButton) > a,
.annotationLayer .popupTriggerArea::after,
.annotationLayer .fileAttachmentAnnotation .popupTriggerArea {
  opacity: 0.2;
  background: rgba(255, 255, 0, 1);
  box-shadow: 0 2px 10px rgba(255, 255, 0, 1);
}

.annotationLayer .popupTriggerArea::after {
  display: block;
  width: 100%;
  height: 100%;
  content: "";
}

.annotationLayer .popup :is(h1, p) {
  margin: 0;
  padding: 0;
}

.annotationLayer .annotationTextContent {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.4;
  background-color: transparent;
  color: red;
  font-size: 10px;
}