Old Timey Movie!

by MegaScience

HTML

<div class="box">
  <div class="loader"></div>
</div>

CSS

html,
body {
  background-color: #222;
  width: 100vw;
  height: 100vh;
  margin: 0;
  overflow: hidden;
  height: 100%;
  display: grid;
}

div.box {
  margin: auto;
  background-color: lightgrey;
  border: grey solid 2px;
  border-radius: 20px;
  width: calc(100vmin - 14px);
  height: calc((100vmin / 16 * 9) - 14px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  -webkit-filter: blur(2px) sepia(20%);
  filter: blur(2px) sepia(20%);
}

div.loader {
  margin: 0 auto;
  box-sizing: border-box;
  border: calc(25vmin / 16 * 9) ridge #f3f3f3;
  border-radius: 50%;
  border-color: black grey;
  width: calc(50vmin / 16 * 9);
  height: calc(50vmin / 16 * 9);
  -webkit-animation: spin 2s linear infinite;
  animation: spin 2s linear infinite;
}

@-webkit-keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}