services/self-service/src/main/resources/webapp/src/assets/styles/app-loading.scss

/*!
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

body,
html {
  height: 100%;
}

.app-loading {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.app-loading .spinner {
  height: 200px;
  width: 200px;
  animation: rotate 2s linear infinite;
  transform-origin: center center;
  position: absolute;
  top: calc(50% - 100px);
  left: calc(50% - 100px);
  margin: 0;
}

.app-loading .spinner .path {
  stroke-dasharray: 20, 200;
  stroke-dashoffset: 0;
  animation: dash 1.5s ease-in-out infinite;
  stroke-linecap: round;
  stroke: #35afd5;
}

@keyframes rotate {
  100% {
    transform: rotate(360deg);
  }
}

@keyframes dash {
  0% {
    stroke-dasharray: 1, 200;
    stroke-dashoffset: 0;
  }

  50% {
    stroke-dasharray: 89, 200;
    stroke-dashoffset: -35px;
  }

  100% {
    stroke-dasharray: 89, 200;
    stroke-dashoffset: -124px;
  }
}


.app-loading {
  .logo {
    width: 100px;
    height: 100px;
    // background: url(../img/logo.png);
    background-size: cover;
  }
}

.nav-bar .mat-progress-bar {
  position: absolute;
  height: 2px;
}