:host {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

iframe {
  position: relative;
  aspect-ratio: 560/315;
  height: 100%;
}

.bg-inner {
  background-color: green;
}

.bg {
  display: flex;
  align-items: center;
  justify-content: center;
}
.bg, .bg img {
  position: absolute;
  width: 100%;
  height: 100%;
}
.bg img {
  object-fit: cover;
  filter: brightness(75%);
  animation: 300ms appear ease-in;
}

svg {
  position: relative;
  max-width: 20%;
  max-height: 20%;
  opacity: 0;
  animation: 300ms appear 1s ease-in forwards, 3s spin infinite;
}
svg circle:nth-of-type(1) {
  stroke: #fff;
  opacity: 0.2;
}
svg circle:nth-of-type(2) {
  stroke: #fff;
}

@keyframes appear {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
.fallback {
  position: relative;
  color: #fff;
  font-family: sans-serif;
  text-align: center;
  font-size: 4vw;
  line-height: 1.1em;
  padding: 1em;
}