/* Dynamical Systems Visualization Loading Spinner */
.visualization-loading {
  width: 100%;
  max-width: 600px;
  height: 215px;
  display: block;
  margin: 50px auto;
  position: relative;
  background: #FFF;
  box-sizing: border-box;
}

.visualization-loading::after {
  content: '';
  width: calc(100% - 30px);
  height: calc(100% - 15px);
  top: 15px;
  left: 15px;
  position: absolute;
  background-image: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5) 50%, transparent 100%),
   linear-gradient(#DDD 100px, transparent 0),
   linear-gradient(#DDD 16px, transparent 0),
   linear-gradient(#DDD 50px, transparent 0);
  background-repeat: no-repeat;
  background-size: 75px 175px, 100% 100px, 100% 16px, 100% 30px;
  background-position: -75px 0, center 0, center 115px, center 142px;
  box-sizing: border-box;
  animation: animloader 1s linear infinite;
}

@keyframes animloader {
  to {
    background-position: calc(100% + 75px) 0, center 0, center 115px, center 142px;
  }
}