host/frontend/webrtc/client/controls.css

/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * 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.
 */

.toggle-control {
  padding-left: 2px;
  padding-right: 7px;
  border-radius: 10px;
  background-color: #5f6368; /* Google grey 700 */
  width: 80px;
  height: 44px;
}

.toggle-control .toggle-control-icon {
  position: relative;
  display: inline-block;
  float: left;
  font-size: 44px;
  color: #e8eaed;
}

.toggle-control .toggle-control-switch {
  position: relative;
  display: inline-block;
  float:left;
  width: 36px;
  height: 21px;
  top: 11px;
}

.toggle-control .toggle-control-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-control .toggle-control-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  -webkit-transition: .4s;
  transition: .4s;
  border-radius: 21px;
  border: solid 4px;
  border-color: #e8eaed;
}

.toggle-control .toggle-control-slider:before {
  position: absolute;
  content: "";
  height: 12px;
  width: 12px;
  left: 1px;
  bottom: 1px;
  background-color: #e8eaed;
  -webkit-transition: .4s;
  transition: .4s;
  border-radius: 50%;
}

.toggle-control input:checked + .toggle-control-slider {
  background-color: #1c4587;
}

.toggle-control input:focus + .toggle-control-slider {
  box-shadow: 0 0 1px #2196F3;
}

.toggle-control input:checked + .toggle-control-slider:before {
  -webkit-transform: translateX(15px);
  -ms-transform: translateX(15px);
  transform: translateX(15px);
}