body{
background-color: black;
}
#borderimg { 
  border: 10px solid;
  padding: 15px;
  border-image: url(https://image.spreadshirtmedia.net/image-server/v1/designs/188859709,width=178,height=178.png) 30 round;
}
.container{
  background-color: yellow;
  width:300px;
  height:300px;
  position:fixed;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  border-radius: 100%;
  animation-name: example;
  animation-duration: 4s;
  animation-iteration-count: infinite;
  background: url(https://image.spreadshirtmedia.net/image-server/v1/designs/188859709,width=178,height=178.png);
  background-repeat: no-repeat;
  background-size:cover ;
}

@keyframes example {
  from {background-color:yellow;}
  to {background-color:black;}
}